221202112010 has 32 divisors (see below), whose sum is σ = 434504189952. Its totient is φ = 80410524480.

The previous prime is 221202111979. The next prime is 221202112051. The reversal of 221202112010 is 10211202122.

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, 2999 + ... + 665141.

It is an arithmetic number, because the mean of its divisors is an integer number (13578255936).

Almost surely, 2^221202112010 is an apocalyptic number.

221202112010 is a deficient number, since it is larger than the sum of its proper divisors (213302077942).

221202112010 is a wasteful number, since it uses less digits than its factorization.

221202112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665198.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221202112010 its reverse (10211202122), we get a palindrome (231413314132).

The spelling of 221202112010 in words is "two hundred twenty-one billion, two hundred two million, one hundred twelve thousand, ten".