2102210001100 has 36 divisors (see below), whose sum is σ = 4976504405208. Its totient is φ = 764440000000.

The previous prime is 2102210001083. The next prime is 2102210001163. The reversal of 2102210001100 is 11000122012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955548901 + ... + 955551100.

It is an arithmetic number, because the mean of its divisors is an integer number (138236233478).

Almost surely, 2^{2102210001100} is an apocalyptic number.

2102210001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102210001100 is an abundant number, since it is smaller than the sum of its proper divisors (2874294404108).

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

2102210001100 is a wasteful number, since it uses less digits than its factorization.

2102210001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911100026 (or 1911100019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2102210001100 its reverse (11000122012), we get a palindrome (2113210123112).

The spelling of 2102210001100 in words is "two trillion, one hundred two billion, two hundred ten million, one thousand, one hundred".