220220112121101 has 24 divisors (see below), whose sum is σ = 323730944684160. Its totient is φ = 144216284374656.

The previous prime is 220220112121091. The next prime is 220220112121171. The reversal of 220220112121101 is 101121211022022.

220220112121101 is a `hidden beast` number, since 220 + 2 + 201 + 121 + 21 + 101 = 666.

220220112121101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220220112121101 - 2¹⁰ = 220220112120077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220112121171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155560300 + ... + 156969573.

It is an arithmetic number, because the mean of its divisors is an integer number (13488789361840).

Almost surely, 2^{220220112121101} is an apocalyptic number.

It is an amenable number.

220220112121101 is a deficient number, since it is larger than the sum of its proper divisors (103510832563059).

220220112121101 is a wasteful number, since it uses less digits than its factorization.

220220112121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312531265 (or 312531262 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220220112121101 its reverse (101121211022022), we get a palindrome (321341323143123).

The spelling of 220220112121101 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, one hundred one".