102121021000002 has 8 divisors (see below), whose sum is σ = 204242042000016. Its totient is φ = 34040340333332.

The previous prime is 102121020999979. The next prime is 102121021000039. The reversal of 102121021000002 is 200000120121201.

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

102121021000002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510085083328 + ... + 8510085083339.

It is an arithmetic number, because the mean of its divisors is an integer number (25530255250002).

Almost surely, 2^{102121021000002} is an apocalyptic number.

102121021000002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102121021000002 is a wasteful number, since it uses less digits than its factorization.

102121021000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020170166672.

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

Adding to 102121021000002 its reverse (200000120121201), we get a palindrome (302121141121203).

The spelling of 102121021000002 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-one million, two", and thus it is an aban number.