9021200022102 has 64 divisors (see below), whose sum is σ = 18252341452800. Its totient is φ = 2972191956864.

The previous prime is 9021200022101. The next prime is 9021200022143. The reversal of 9021200022102 is 2012200021209.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021200022101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1879805899 + ... + 1879810697.

It is an arithmetic number, because the mean of its divisors is an integer number (285192835200).

Almost surely, 2^{9021200022102} is an apocalyptic number.

9021200022102 is an abundant number, since it is smaller than the sum of its proper divisors (9231141430698).

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

9021200022102 is a wasteful number, since it uses less digits than its factorization.

9021200022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 9021200022102 in words is "nine trillion, twenty-one billion, two hundred million, twenty-two thousand, one hundred two".