221002020202002 has 32 divisors (see below), whose sum is σ = 482524958767488. Its totient is φ = 67069106234496.

The previous prime is 221002020201971. The next prime is 221002020202031. The reversal of 221002020202002 is 200202020200122.

It is a super-2 number, since 2×221002020202002² (a number of 29 digits) contains 22 as substring.

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, 19406564398 + ... + 19406575785.

It is an arithmetic number, because the mean of its divisors is an integer number (15078904961484).

Almost surely, 2^{221002020202002} is an apocalyptic number.

221002020202002 is an abundant number, since it is smaller than the sum of its proper divisors (261522938565486).

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

221002020202002 is a wasteful number, since it uses less digits than its factorization.

221002020202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38813140274.

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

Adding to 221002020202002 its reverse (200202020200122), we get a palindrome (421204040402124).

The spelling of 221002020202002 in words is "two hundred twenty-one trillion, two billion, twenty million, two hundred two thousand, two".