1220232010121 has 8 divisors (see below), whose sum is σ = 1222353848064. Its totient is φ = 1218110540400.

The previous prime is 1220232010097. The next prime is 1220232010171. The reversal of 1220232010121 is 1210102320221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220232010121 - 2³⁴ = 1203052140937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220232010121.

It is not an unprimeable number, because it can be changed into a prime (1220232010171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7016606 + ... + 7188408.

It is an arithmetic number, because the mean of its divisors is an integer number (152794231008).

Almost surely, 2^{1220232010121} is an apocalyptic number.

It is an amenable number.

1220232010121 is a deficient number, since it is larger than the sum of its proper divisors (2121837943).

1220232010121 is a wasteful number, since it uses less digits than its factorization.

1220232010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184111.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220232010121 its reverse (1210102320221), we get a palindrome (2430334330342).

The spelling of 1220232010121 in words is "one trillion, two hundred twenty billion, two hundred thirty-two million, ten thousand, one hundred twenty-one".