220122121121202 has 64 divisors (see below), whose sum is σ = 445069073520000. Its totient is φ = 72572703264768.

The previous prime is 220122121121137. The next prime is 220122121121291. The reversal of 220122121121202 is 202121121221022.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1176155749 + ... + 1176342887.

It is an arithmetic number, because the mean of its divisors is an integer number (6954204273750).

Almost surely, 2^{220122121121202} is an apocalyptic number.

220122121121202 is an abundant number, since it is smaller than the sum of its proper divisors (224946952398798).

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

220122121121202 is a wasteful number, since it uses less digits than its factorization.

220122121121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190875.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220122121121202 its reverse (202121121221022), we get a palindrome (422243242342224).

The spelling of 220122121121202 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred two".