2221021002102 has 32 divisors (see below), whose sum is σ = 5076752308992. Its totient is φ = 634560819744.

The previous prime is 2221021002091. The next prime is 2221021002163. The reversal of 2221021002102 is 2012001201222.

It is a congruent number.

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, 979168 + ... + 2323964.

It is an arithmetic number, because the mean of its divisors is an integer number (158648509656).

Almost surely, 2^{2221021002102} is an apocalyptic number.

2221021002102 is an abundant number, since it is smaller than the sum of its proper divisors (2855731306890).

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

2221021002102 is a wasteful number, since it uses less digits than its factorization.

2221021002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384132.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2221021002102 its reverse (2012001201222), we get a palindrome (4233022203324).

The spelling of 2221021002102 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two thousand, one hundred two".