220020120101121 has 16 divisors (see below), whose sum is σ = 293427108624384. Its totient is φ = 146646606865104.

The previous prime is 220020120101113. The next prime is 220020120101141. The reversal of 220020120101121 is 121101021020022.

It is not a de Polignac number, because 220020120101121 - 2³ = 220020120101113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220020120101121.

It is not an unprimeable number, because it can be changed into a prime (220020120101141) 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, 1401618180 + ... + 1401775146.

It is an arithmetic number, because the mean of its divisors is an integer number (18339194289024).

Almost surely, 2^{220020120101121} is an apocalyptic number.

It is an amenable number.

220020120101121 is a deficient number, since it is larger than the sum of its proper divisors (73406988523263).

220020120101121 is a wasteful number, since it uses less digits than its factorization.

220020120101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260620.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220020120101121 its reverse (121101021020022), we get a palindrome (341121141121143).

The spelling of 220020120101121 in words is "two hundred twenty trillion, twenty billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".