102321011202120 has 160 divisors (see below), whose sum is σ = 346620259814400. Its totient is φ = 27070755610752.

The previous prime is 102321011202073. The next prime is 102321011202139. The reversal of 102321011202120 is 21202110123201.

102321011202120 is a `hidden beast` number, since 1 + 0 + 232 + 101 + 120 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102321011202093 and 102321011202102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123921430 + ... + 124744389.

It is an arithmetic number, because the mean of its divisors is an integer number (2166376623840).

Almost surely, 2^{102321011202120} is an apocalyptic number.

102321011202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102321011202120 is an abundant number, since it is smaller than the sum of its proper divisors (244299248612280).

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

102321011202120 is a wasteful number, since it uses less digits than its factorization.

102321011202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248665969 (or 248665956 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102321011202120 its reverse (21202110123201), we get a palindrome (123523121325321).

The spelling of 102321011202120 in words is "one hundred two trillion, three hundred twenty-one billion, eleven million, two hundred two thousand, one hundred twenty".