220121103011202 has 24 divisors (see below), whose sum is σ = 476930211557436. Its totient is φ = 73373523306336.

The previous prime is 220121103011141. The next prime is 220121103011213. The reversal of 220121103011202 is 202110301121022.

220121103011202 is a `hidden beast` number, since 220 + 1 + 21 + 1 + 0 + 301 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212333537445561 + 7787565565641 = 14571669^2 + 2790621^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7059633 + ... + 22137764.

Almost surely, 2^{220121103011202} is an apocalyptic number.

220121103011202 is an abundant number, since it is smaller than the sum of its proper divisors (256809108546234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220121103011202 is a wasteful number, since it uses less digits than its factorization.

220121103011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29616242 (or 29616239 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220121103011202 its reverse (202110301121022), we get a palindrome (422231404132224).

The spelling of 220121103011202 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred three million, eleven thousand, two hundred two".