221210101012202 has 16 divisors (see below), whose sum is σ = 331920918927360. Its totient is φ = 110569797295488.

The previous prime is 221210101012181. The next prime is 221210101012213. The reversal of 221210101012202 is 202210101012122.

It is a super-2 number, since 2×221210101012202² (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 7 ways as a sum of consecutive naturals, for example, 173755799 + ... + 175024277.

It is an arithmetic number, because the mean of its divisors is an integer number (20745057432960).

Almost surely, 2^{221210101012202} is an apocalyptic number.

221210101012202 is a deficient number, since it is larger than the sum of its proper divisors (110710817915158).

221210101012202 is a wasteful number, since it uses less digits than its factorization.

221210101012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296205.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221210101012202 its reverse (202210101012122), we get a palindrome (423420202024324).

The spelling of 221210101012202 in words is "two hundred twenty-one trillion, two hundred ten billion, one hundred one million, twelve thousand, two hundred two".