221431322032010 has 64 divisors (see below), whose sum is σ = 413222489020800. Its totient is φ = 85331401489152.

The previous prime is 221431322032003. The next prime is 221431322032073. The reversal of 221431322032010 is 10230223134122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249011561 + ... + 249899219.

It is an arithmetic number, because the mean of its divisors is an integer number (6456601390950).

Almost surely, 2^{221431322032010} is an apocalyptic number.

221431322032010 is a deficient number, since it is larger than the sum of its proper divisors (191791166988790).

221431322032010 is a wasteful number, since it uses less digits than its factorization.

221431322032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889575.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221431322032010 its reverse (10230223134122), we get a palindrome (231661545166132).

The spelling of 221431322032010 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, three hundred twenty-two million, thirty-two thousand, ten".