21022111000002 has 32 divisors (see below), whose sum is σ = 50877041749632. Its totient is φ = 5653004638464.

The previous prime is 21022110999983. The next prime is 21022111000013. The reversal of 21022111000002 is 20000011122012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14721365533 + ... + 14721366960.

It is an arithmetic number, because the mean of its divisors is an integer number (1589907554676).

Almost surely, 2^{21022111000002} is an apocalyptic number.

21022111000002 is an abundant number, since it is smaller than the sum of its proper divisors (29854930749630).

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

21022111000002 is a wasteful number, since it uses less digits than its factorization.

21022111000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29442732522.

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

Adding to 21022111000002 its reverse (20000011122012), we get a palindrome (41022122122014).

The spelling of 21022111000002 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, two", and thus it is an aban number.