221101002221110 has 64 divisors (see below), whose sum is σ = 435613539271680. Its totient is φ = 80131853249280.

The previous prime is 221101002221059. The next prime is 221101002221147. The reversal of 221101002221110 is 11122200101122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57461394 + ... + 61188346.

It is an arithmetic number, because the mean of its divisors is an integer number (6806461551120).

Almost surely, 2^{221101002221110} is an apocalyptic number.

221101002221110 is a deficient number, since it is larger than the sum of its proper divisors (214512537050570).

221101002221110 is a wasteful number, since it uses less digits than its factorization.

221101002221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728773.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221101002221110 its reverse (11122200101122), we get a palindrome (232223202322232).

The spelling of 221101002221110 in words is "two hundred twenty-one trillion, one hundred one billion, two million, two hundred twenty-one thousand, one hundred ten".