2220020100121 has 8 divisors (see below), whose sum is σ = 2243800193760. Its totient is φ = 2196296159328.

The previous prime is 2220020100079. The next prime is 2220020100143. The reversal of 2220020100121 is 1210010200222.

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 2220020100121 - 2²³ = 2220011711513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220020100161) 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, 13958716 + ... + 14116861.

It is an arithmetic number, because the mean of its divisors is an integer number (280475024220).

Almost surely, 2^{2220020100121} is an apocalyptic number.

It is an amenable number.

2220020100121 is a deficient number, since it is larger than the sum of its proper divisors (23780093639).

2220020100121 is a wasteful number, since it uses less digits than its factorization.

2220020100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28076423.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220020100121 its reverse (1210010200222), we get a palindrome (3430030300343).

The spelling of 2220020100121 in words is "two trillion, two hundred twenty billion, twenty million, one hundred thousand, one hundred twenty-one".