220111020111123 has 24 divisors (see below), whose sum is σ = 319119985879968. Its totient is φ = 146195732086272.

The previous prime is 220111020111067. The next prime is 220111020111127. The reversal of 220111020111123 is 321111020111022.

It is a happy number.

220111020111123 is a `hidden beast` number, since 220 + 1 + 110 + 201 + 11 + 123 = 666.

It is not a de Polignac number, because 220111020111123 - 2¹⁷ = 220111019980051 is a prime.

It is a super-2 number, since 2×220111020111123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220111020111096 and 220111020111105.

It is not an unprimeable number, because it can be changed into a prime (220111020111127) 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, 16548190 + ... + 26721987.

It is an arithmetic number, because the mean of its divisors is an integer number (13296666078332).

Almost surely, 2^{220111020111123} is an apocalyptic number.

220111020111123 is a deficient number, since it is larger than the sum of its proper divisors (99008965768845).

220111020111123 is a wasteful number, since it uses less digits than its factorization.

220111020111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43272283 (or 43272280 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 220111020111123 its reverse (321111020111022), we get a palindrome (541222040222145).

The spelling of 220111020111123 in words is "two hundred twenty trillion, one hundred eleven billion, twenty million, one hundred eleven thousand, one hundred twenty-three".