20110102122 has 32 divisors (see below), whose sum is σ = 44311022784. Its totient is φ = 6033632000.

The previous prime is 20110102109. The next prime is 20110102127. The reversal of 20110102122 is 22120101102.

It is a junction number, because it is equal to n+sod(n) for n = 20110102098 and 20110102107.

It is not an unprimeable number, because it can be changed into a prime (20110102127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501743 + ... + 1515074.

It is an arithmetic number, because the mean of its divisors is an integer number (1384719462).

Almost surely, 2^20110102122 is an apocalyptic number.

20110102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110102122 is an abundant number, since it is smaller than the sum of its proper divisors (24200920662).

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

20110102122 is a wasteful number, since it uses less digits than its factorization.

20110102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016934.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110102122 its reverse (22120101102), we get a palindrome (42230203224).

The spelling of 20110102122 in words is "twenty billion, one hundred ten million, one hundred two thousand, one hundred twenty-two".