220220010220121 has 8 divisors (see below), whose sum is σ = 224967895046400. Its totient is φ = 215474723422848.

The previous prime is 220220010220087. The next prime is 220220010220139. The reversal of 220220010220121 is 121022010022022.

It is a happy number.

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 220220010220121 - 2⁴² = 215821963709017 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 220220010220121.

It is not an unprimeable number, because it can be changed into a prime (220220010223121) 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, 649335896 + ... + 649674953.

It is an arithmetic number, because the mean of its divisors is an integer number (28120986880800).

Almost surely, 2^{220220010220121} is an apocalyptic number.

It is an amenable number.

220220010220121 is a deficient number, since it is larger than the sum of its proper divisors (4747884826279).

220220010220121 is a wasteful number, since it uses less digits than its factorization.

220220010220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299014503.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220220010220121 its reverse (121022010022022), we get a palindrome (341242020242143).

The spelling of 220220010220121 in words is "two hundred twenty trillion, two hundred twenty billion, ten million, two hundred twenty thousand, one hundred twenty-one".