2111122110102 has 16 divisors (see below), whose sum is σ = 4291461339312. Its totient is φ = 692171183520.

The previous prime is 2111122110073. The next prime is 2111122110109. The reversal of 2111122110102 is 2010112211112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111122110109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884046233 + ... + 2884046964.

It is an arithmetic number, because the mean of its divisors is an integer number (268216333707).

Almost surely, 2^{2111122110102} is an apocalyptic number.

2111122110102 is an abundant number, since it is smaller than the sum of its proper divisors (2180339229210).

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

2111122110102 is a wasteful number, since it uses less digits than its factorization.

2111122110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768093263.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111122110102 its reverse (2010112211112), we get a palindrome (4121234321214).

The spelling of 2111122110102 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, one hundred two".