102110021112 has 192 divisors, whose sum is σ = 284691607200. Its totient is φ = 30492774400.

The previous prime is 102110021099. The next prime is 102110021113. The reversal of 102110021112 is 211120011201.

It is a super-2 number, since 2×102110021112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110021113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119147788 + ... + 119148644.

Almost surely, 2^102110021112 is an apocalyptic number.

102110021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102110021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142345803600).

102110021112 is an abundant number, since it is smaller than the sum of its proper divisors (182581586088).

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

102110021112 is a wasteful number, since it uses less digits than its factorization.

102110021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102110021112 its reverse (211120011201), we get a palindrome (313230032313).

The spelling of 102110021112 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, one hundred twelve".