102100032010021 has 8 divisors (see below), whose sum is σ = 104404190436000. Its totient is φ = 99814995231120.

The previous prime is 102100032010013. The next prime is 102100032010027. The reversal of 102100032010021 is 120010230001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102100032010021 - 2³ = 102100032010013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100032009983 and 102100032010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100032010027) 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, 4780400971 + ... + 4780422328.

It is an arithmetic number, because the mean of its divisors is an integer number (13050523804500).

Almost surely, 2^{102100032010021} is an apocalyptic number.

It is an amenable number.

102100032010021 is a deficient number, since it is larger than the sum of its proper divisors (2304158425979).

102100032010021 is an equidigital number, since it uses as much as digits as its factorization.

102100032010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560823539.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102100032010021 its reverse (120010230001201), we get a palindrome (222110262011222).

The spelling of 102100032010021 in words is "one hundred two trillion, one hundred billion, thirty-two million, ten thousand, twenty-one".