20122111310 has 64 divisors (see below), whose sum is σ = 43606080000. Its totient is φ = 6530896512.

The previous prime is 20122111301. The next prime is 20122111313. The reversal of 20122111310 is 1311122102.

It is a super-2 number, since 2×20122111310² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122111313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1988624 + ... + 1998716.

It is an arithmetic number, because the mean of its divisors is an integer number (681345000).

Almost surely, 2^20122111310 is an apocalyptic number.

20122111310 is an abundant number, since it is smaller than the sum of its proper divisors (23483968690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122111310 is a wasteful number, since it uses less digits than its factorization.

20122111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625.

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

Adding to 20122111310 its reverse (1311122102), we get a palindrome (21433233412).

The spelling of 20122111310 in words is "twenty billion, one hundred twenty-two million, one hundred eleven thousand, three hundred ten".