220121012012202 has 64 divisors (see below), whose sum is σ = 561012888591360. Its totient is φ = 62669485469232.

The previous prime is 220121012012201. The next prime is 220121012012203. The reversal of 220121012012202 is 202210210121022.

It is a happy number.

220121012012202 is a `hidden beast` number, since 220 + 1 + 21 + 0 + 1 + 201 + 220 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (220121012012201) and next prime (220121012012203).

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

It is not an unprimeable number, because it can be changed into a prime (220121012012201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028745888 + ... + 1028959835.

It is an arithmetic number, because the mean of its divisors is an integer number (8765826384240).

Almost surely, 2^{220121012012202} is an apocalyptic number.

220121012012202 is an abundant number, since it is smaller than the sum of its proper divisors (340891876579158).

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

220121012012202 is a wasteful number, since it uses less digits than its factorization.

220121012012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057706024 (or 2057706018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220121012012202 its reverse (202210210121022), we get a palindrome (422331222133224).

The spelling of 220121012012202 in words is "two hundred twenty trillion, one hundred twenty-one billion, twelve million, twelve thousand, two hundred two".