100122021200 has 60 divisors (see below), whose sum is σ = 240579476928. Its totient is φ = 40042761600.

The previous prime is 100122021199. The next prime is 100122021253. The reversal of 100122021200 is 2120221001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3410585 + ... + 3439815.

Almost surely, 2^100122021200 is an apocalyptic number.

100122021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122021200 is an abundant number, since it is smaller than the sum of its proper divisors (140457455728).

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

100122021200 is a wasteful number, since it uses less digits than its factorization.

100122021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37812 (or 37801 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100122021200 its reverse (2120221001), we get a palindrome (102242242201).

The spelling of 100122021200 in words is "one hundred billion, one hundred twenty-two million, twenty-one thousand, two hundred".