220230121002 has 16 divisors (see below), whose sum is σ = 440925364512. Its totient is φ = 73332519920.

The previous prime is 220230120997. The next prime is 220230121081. The reversal of 220230121002 is 200121032022.

It is a happy number.

It is a super-2 number, since 2×220230121002² (a number of 23 digits) contains 22 as substring.

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, 19373949 + ... + 19385312.

It is an arithmetic number, because the mean of its divisors is an integer number (27557835282).

Almost surely, 2^220230121002 is an apocalyptic number.

220230121002 is an abundant number, since it is smaller than the sum of its proper divisors (220695243510).

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

220230121002 is a wasteful number, since it uses less digits than its factorization.

220230121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38760213.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220230121002 its reverse (200121032022), we get a palindrome (420351153024).

The spelling of 220230121002 in words is "two hundred twenty billion, two hundred thirty million, one hundred twenty-one thousand, two".