2121101202 has 48 divisors (see below), whose sum is σ = 4709246976. Its totient is φ = 636372000.

The previous prime is 2121101197. The next prime is 2121101261. The reversal of 2121101202 is 2021011212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58863 + ... + 87789.

It is an arithmetic number, because the mean of its divisors is an integer number (98109312).

Almost surely, 2^2121101202 is an apocalyptic number.

2121101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121101202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2354623488).

2121101202 is an abundant number, since it is smaller than the sum of its proper divisors (2588145774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121101202 is a wasteful number, since it uses less digits than its factorization.

2121101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29055 (or 29044 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2121101202 is about 46055.4144699622. The cubic root of 2121101202 is about 1284.8540467194.

Adding to 2121101202 its reverse (2021011212), we get a palindrome (4142112414).

It can be divided in two parts, 212110 and 1202, that added together give a palindrome (213312).

The spelling of 2121101202 in words is "two billion, one hundred twenty-one million, one hundred one thousand, two hundred two".