102133010021020 has 48 divisors (see below), whose sum is σ = 233997629630688. Its totient is φ = 37136071848960.

The previous prime is 102133010020991. The next prime is 102133010021027. The reversal of 102133010021020 is 20120010331201.

It is a junction number, because it is equal to n+sod(n) for n = 102133010020985 and 102133010021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133010021027) 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, 17472009 + ... + 22572928.

It is an arithmetic number, because the mean of its divisors is an integer number (4874950617306).

Almost surely, 2^{102133010021020} is an apocalyptic number.

102133010021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102133010021020 is an abundant number, since it is smaller than the sum of its proper divisors (131864619609668).

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

102133010021020 is a wasteful number, since it uses less digits than its factorization.

102133010021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40056550 (or 40056548 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102133010021020 its reverse (20120010331201), we get a palindrome (122253020352221).

The spelling of 102133010021020 in words is "one hundred two trillion, one hundred thirty-three billion, ten million, twenty-one thousand, twenty".