20102110122 has 64 divisors (see below), whose sum is σ = 42813221760. Its totient is φ = 6270511104.

The previous prime is 20102110121. The next prime is 20102110187. The reversal of 20102110122 is 22101120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102110098 and 20102110107.

It is not an unprimeable number, because it can be changed into a prime (20102110121) 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, 23401329 + ... + 23402187.

It is an arithmetic number, because the mean of its divisors is an integer number (668956590).

Almost surely, 2^20102110122 is an apocalyptic number.

20102110122 is an abundant number, since it is smaller than the sum of its proper divisors (22711111638).

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

20102110122 is a wasteful number, since it uses less digits than its factorization.

20102110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

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

Adding to 20102110122 its reverse (22101120102), we get a palindrome (42203230224).

The spelling of 20102110122 in words is "twenty billion, one hundred two million, one hundred ten thousand, one hundred twenty-two".