2212021120100 has 72 divisors (see below), whose sum is σ = 5238189401088. Its totient is φ = 804105244800.

The previous prime is 2212021120091. The next prime is 2212021120189. The reversal of 2212021120100 is 10211202122.

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, 3009629 + ... + 3671771.

Almost surely, 2^{2212021120100} is an apocalyptic number.

2212021120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212021120100 is an abundant number, since it is smaller than the sum of its proper divisors (3026168280988).

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

2212021120100 is a wasteful number, since it uses less digits than its factorization.

2212021120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665205 (or 665198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212021120100 its reverse (10211202122), we get a palindrome (2222232322222).

The spelling of 2212021120100 in words is "two trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred".