2102212020102 has 32 divisors (see below), whose sum is σ = 4225787808000. Its totient is φ = 697177106208.

The previous prime is 2102212020079. The next prime is 2102212020107. The reversal of 2102212020102 is 2010202122012.

It is a super-2 number, since 2×2102212020102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102212020107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28068168 + ... + 28142964.

It is an arithmetic number, because the mean of its divisors is an integer number (132055869000).

Almost surely, 2^{2102212020102} is an apocalyptic number.

2102212020102 is an abundant number, since it is smaller than the sum of its proper divisors (2123575787898).

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

2102212020102 is a wasteful number, since it uses less digits than its factorization.

2102212020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98540.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102212020102 its reverse (2010202122012), we get a palindrome (4112414142114).

The spelling of 2102212020102 in words is "two trillion, one hundred two billion, two hundred twelve million, twenty thousand, one hundred two".