221020022200002 has 16 divisors (see below), whose sum is σ = 442046587458432. Its totient is φ = 73672250223600.

The previous prime is 221020022199983. The next prime is 221020022200069. The reversal of 221020022200002 is 200002220020122.

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, 272188249 + ... + 272999052.

It is an arithmetic number, because the mean of its divisors is an integer number (27627911716152).

Almost surely, 2^{221020022200002} is an apocalyptic number.

221020022200002 is an abundant number, since it is smaller than the sum of its proper divisors (221026565258430).

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

221020022200002 is a wasteful number, since it uses less digits than its factorization.

221020022200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545254873.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221020022200002 its reverse (200002220020122), we get a palindrome (421022242220124).

The spelling of 221020022200002 in words is "two hundred twenty-one trillion, twenty billion, twenty-two million, two hundred thousand, two".