20102211122 has 16 divisors (see below), whose sum is σ = 34475213952. Its totient is φ = 8611663200.

The previous prime is 20102211089. The next prime is 20102211127. The reversal of 20102211122 is 22111220102.

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 = 20102211097 and 20102211106.

It is not an unprimeable number, because it can be changed into a prime (20102211127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262379 + ... + 330222.

It is an arithmetic number, because the mean of its divisors is an integer number (2154700872).

Almost surely, 2^20102211122 is an apocalyptic number.

20102211122 is a deficient number, since it is larger than the sum of its proper divisors (14373002830).

20102211122 is a wasteful number, since it uses less digits than its factorization.

20102211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595033.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102211122 its reverse (22111220102), we get a palindrome (42213431224).

The spelling of 20102211122 in words is "twenty billion, one hundred two million, two hundred eleven thousand, one hundred twenty-two".