221010022002 has 64 divisors (see below), whose sum is σ = 551381105664. Its totient is φ = 57374869440.

The previous prime is 221010021949. The next prime is 221010022003. The reversal of 221010022002 is 200220010122.

It is not an unprimeable number, because it can be changed into a prime (221010022003) 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, 755608 + ... + 1006460.

It is an arithmetic number, because the mean of its divisors is an integer number (8615329776).

Almost surely, 2^221010022002 is an apocalyptic number.

221010022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010022002 is an abundant number, since it is smaller than the sum of its proper divisors (330371083662).

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

221010022002 is a wasteful number, since it uses less digits than its factorization.

221010022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252783.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221010022002 its reverse (200220010122), we get a palindrome (421230032124).

The spelling of 221010022002 in words is "two hundred twenty-one billion, ten million, twenty-two thousand, two".