100122101000 has 64 divisors (see below), whose sum is σ = 236130785280. Its totient is φ = 39733444800.

The previous prime is 100122100987. The next prime is 100122101029. The reversal of 100122101000 is 101221001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267182 + ... + 521181.

It is an arithmetic number, because the mean of its divisors is an integer number (3689543520).

Almost surely, 2^100122101000 is an apocalyptic number.

100122101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122101000 is an abundant number, since it is smaller than the sum of its proper divisors (136008684280).

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

100122101000 is a wasteful number, since it uses less digits than its factorization.

100122101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788511 (or 788497 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100122101000 its reverse (101221001), we get a palindrome (100223322001).

The spelling of 100122101000 in words is "one hundred billion, one hundred twenty-two million, one hundred one thousand".