102110202120 has 32 divisors (see below), whose sum is σ = 306330606720. Its totient is φ = 27229387200.

The previous prime is 102110202101. The next prime is 102110202127. The reversal of 102110202120 is 21202011201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102110202096 and 102110202105.

It is not an unprimeable number, because it can be changed into a prime (102110202127) 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, 425459056 + ... + 425459295.

It is an arithmetic number, because the mean of its divisors is an integer number (9572831460).

Almost surely, 2^102110202120 is an apocalyptic number.

102110202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110202120 is an abundant number, since it is smaller than the sum of its proper divisors (204220404600).

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

102110202120 is a wasteful number, since it uses less digits than its factorization.

102110202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850918365 (or 850918361 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102110202120 its reverse (21202011201), we get a palindrome (123312213321).

The spelling of 102110202120 in words is "one hundred two billion, one hundred ten million, two hundred two thousand, one hundred twenty".