102110201020120 has 32 divisors (see below), whose sum is σ = 229969076500800. Its totient is φ = 40804769438208.

The previous prime is 102110201020103. The next prime is 102110201020127. The reversal of 102110201020120 is 21020102011201.

It is a self number, because there is not a number n which added to its sum of digits gives 102110201020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110201020127) 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, 1228425729 + ... + 1228508848.

It is an arithmetic number, because the mean of its divisors is an integer number (7186533640650).

Almost surely, 2^{102110201020120} is an apocalyptic number.

102110201020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110201020120 is an abundant number, since it is smaller than the sum of its proper divisors (127858875480680).

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

102110201020120 is a wasteful number, since it uses less digits than its factorization.

102110201020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456935627 (or 2456935623 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102110201020120 its reverse (21020102011201), we get a palindrome (123130303031321).

The spelling of 102110201020120 in words is "one hundred two trillion, one hundred ten billion, two hundred one million, twenty thousand, one hundred twenty".