20310111122 has 16 divisors (see below), whose sum is σ = 35236821312. Its totient is φ = 8599461360.

The previous prime is 20310111103. The next prime is 20310111137. The reversal of 20310111122 is 22111101302.

It is a super-2 number, since 2×20310111122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20310111097 and 20310111106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8738129 + ... + 8740452.

It is an arithmetic number, because the mean of its divisors is an integer number (2202301332).

Almost surely, 2^20310111122 is an apocalyptic number.

20310111122 is a deficient number, since it is larger than the sum of its proper divisors (14926710190).

20310111122 is a wasteful number, since it uses less digits than its factorization.

20310111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478673.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20310111122 its reverse (22111101302), we get a palindrome (42421212424).

The spelling of 20310111122 in words is "twenty billion, three hundred ten million, one hundred eleven thousand, one hundred twenty-two".