221330032121102 has 32 divisors (see below), whose sum is σ = 332946852084000. Its totient is φ = 110348255001600.

The previous prime is 221330032121101. The next prime is 221330032121173. The reversal of 221330032121102 is 201121230033122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330032121101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6327132452 + ... + 6327167432.

It is an arithmetic number, because the mean of its divisors is an integer number (10404589127625).

Almost surely, 2^{221330032121102} is an apocalyptic number.

221330032121102 is a deficient number, since it is larger than the sum of its proper divisors (111616819962898).

221330032121102 is a wasteful number, since it uses less digits than its factorization.

221330032121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41972.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221330032121102 its reverse (201121230033122), we get a palindrome (422451262154224).

The spelling of 221330032121102 in words is "two hundred twenty-one trillion, three hundred thirty billion, thirty-two million, one hundred twenty-one thousand, one hundred two".