102110212120111 has 16 divisors (see below), whose sum is σ = 110099759916160. Its totient is φ = 94139942757120.

The previous prime is 102110212120073. The next prime is 102110212120121. The reversal of 102110212120111 is 111021212011201.

It is a de Polignac number, because none of the positive numbers 2^k-102110212120111 is a prime.

It is a super-2 number, since 2×102110212120111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110212120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973250746 + ... + 973355656.

It is an arithmetic number, because the mean of its divisors is an integer number (6881234994760).

Almost surely, 2^{102110212120111} is an apocalyptic number.

102110212120111 is a deficient number, since it is larger than the sum of its proper divisors (7989547796049).

102110212120111 is a wasteful number, since it uses less digits than its factorization.

102110212120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196066.

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

Adding to 102110212120111 its reverse (111021212011201), we get a palindrome (213131424131312).

The spelling of 102110212120111 in words is "one hundred two trillion, one hundred ten billion, two hundred twelve million, one hundred twenty thousand, one hundred eleven".