220121140120 has 64 divisors (see below), whose sum is σ = 599321436480. Its totient is φ = 71030685696.

The previous prime is 220121140081. The next prime is 220121140153. The reversal of 220121140120 is 21041121022.

It is a super-2 number, since 2×220121140120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220121140094 and 220121140103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23117209 + ... + 23126728.

It is an arithmetic number, because the mean of its divisors is an integer number (9364397445).

Almost surely, 2^220121140120 is an apocalyptic number.

220121140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220121140120 is an abundant number, since it is smaller than the sum of its proper divisors (379200296360).

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

220121140120 is a wasteful number, since it uses less digits than its factorization.

220121140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46243972 (or 46243968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220121140120 its reverse (21041121022), we get a palindrome (241162261142).

The spelling of 220121140120 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred forty thousand, one hundred twenty".