220120012102 has 16 divisors (see below), whose sum is σ = 351555467760. Its totient is φ = 103007193088.

The previous prime is 220120012069. The next prime is 220120012139. The reversal of 220120012102 is 201210021022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18078043 + ... + 18090214.

It is an arithmetic number, because the mean of its divisors is an integer number (21972216735).

Almost surely, 2^220120012102 is an apocalyptic number.

220120012102 is a deficient number, since it is larger than the sum of its proper divisors (131435455658).

220120012102 is a wasteful number, since it uses less digits than its factorization.

220120012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168455.

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

Adding to 220120012102 its reverse (201210021022), we get a palindrome (421330033124).

The spelling of 220120012102 in words is "two hundred twenty billion, one hundred twenty million, twelve thousand, one hundred two".