100122111010 has 32 divisors (see below), whose sum is σ = 190137340800. Its totient is φ = 37854552960.

The previous prime is 100122110983. The next prime is 100122111017. The reversal of 100122111010 is 10111221001.

It is a super-2 number, since 2×100122111010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100122111017) 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, 516771 + ... + 683590.

It is an arithmetic number, because the mean of its divisors is an integer number (5941791900).

Almost surely, 2^100122111010 is an apocalyptic number.

100122111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122111010 is a deficient number, since it is larger than the sum of its proper divisors (90015229790).

100122111010 is a wasteful number, since it uses less digits than its factorization.

100122111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200826.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100122111010 its reverse (10111221001), we get a palindrome (110233332011).

The spelling of 100122111010 in words is "one hundred billion, one hundred twenty-two million, one hundred eleven thousand, ten".