220121120102 has 16 divisors (see below), whose sum is σ = 355591791072. Its totient is φ = 101591071680.

The previous prime is 220121120099. The next prime is 220121120117. The reversal of 220121120102 is 201021121022.

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, 802202 + ... + 1041042.

It is an arithmetic number, because the mean of its divisors is an integer number (22224486942).

Almost surely, 2^220121120102 is an apocalyptic number.

220121120102 is a deficient number, since it is larger than the sum of its proper divisors (135470670970).

220121120102 is a wasteful number, since it uses less digits than its factorization.

220121120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274303.

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

Adding to 220121120102 its reverse (201021121022), we get a palindrome (421142241124).

The spelling of 220121120102 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred two".