221120010121120 has 96 divisors (see below), whose sum is σ = 585288911483136. Its totient is φ = 78234106752000.

The previous prime is 221120010121103. The next prime is 221120010121123. The reversal of 221120010121120 is 21121010021122.

It is a super-2 number, since 2×221120010121120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 221120010121094 and 221120010121103.

It is not an unprimeable number, because it can be changed into a prime (221120010121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697723656 + ... + 1697853895.

It is an arithmetic number, because the mean of its divisors is an integer number (6096759494616).

Almost surely, 2^{221120010121120} is an apocalyptic number.

221120010121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221120010121120 is an abundant number, since it is smaller than the sum of its proper divisors (364168901362016).

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

221120010121120 is a wasteful number, since it uses less digits than its factorization.

221120010121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395577614 (or 3395577606 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221120010121120 its reverse (21121010021122), we get a palindrome (242241020142242).

The spelling of 221120010121120 in words is "two hundred twenty-one trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, one hundred twenty".