221020010022010 has 32 divisors (see below), whose sum is σ = 407099604460032. Its totient is φ = 86349546279360.

The previous prime is 221020010021963. The next prime is 221020010022043. The reversal of 221020010022010 is 10220010020122.

It is a happy 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, 7848247 + ... + 22441813.

It is an arithmetic number, because the mean of its divisors is an integer number (12721862639376).

Almost surely, 2^{221020010022010} is an apocalyptic number.

221020010022010 is a deficient number, since it is larger than the sum of its proper divisors (186079594438022).

221020010022010 is a wasteful number, since it uses less digits than its factorization.

221020010022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628838.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221020010022010 its reverse (10220010020122), we get a palindrome (231240020042132).

The spelling of 221020010022010 in words is "two hundred twenty-one trillion, twenty billion, ten million, twenty-two thousand, ten".