21010022000102 has 16 divisors (see below), whose sum is σ = 31543001966160. Its totient is φ = 10495688512512.

The previous prime is 21010022000087. The next prime is 21010022000137. The reversal of 21010022000102 is 20100022001012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102169178 + ... + 102374610.

It is an arithmetic number, because the mean of its divisors is an integer number (1971437622885).

Almost surely, 2^{21010022000102} is an apocalyptic number.

21010022000102 is a deficient number, since it is larger than the sum of its proper divisors (10532979966058).

21010022000102 is a wasteful number, since it uses less digits than its factorization.

21010022000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250567.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21010022000102 its reverse (20100022001012), we get a palindrome (41110044001114).

The spelling of 21010022000102 in words is "twenty-one trillion, ten billion, twenty-two million, one hundred two", and thus it is an aban number.