10122110100 has 108 divisors (see below), whose sum is σ = 31751821920. Its totient is φ = 2697134400.

The previous prime is 10122110081. The next prime is 10122110107. The reversal of 10122110100 is 101122101.

It is a happy number.

It is a super-2 number, since 2×10122110100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122110107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1410321 + ... + 1417479.

Almost surely, 2^10122110100 is an apocalyptic number.

10122110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15875910960).

10122110100 is an abundant number, since it is smaller than the sum of its proper divisors (21629711820).

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

10122110100 is a wasteful number, since it uses less digits than its factorization.

10122110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10122110100 its reverse (101122101), we get a palindrome (10223232201).

It can be divided in two parts, 1012 and 2110100, that added together give a palindrome (2111112).

The spelling of 10122110100 in words is "ten billion, one hundred twenty-two million, one hundred ten thousand, one hundred".