100202112122 has 16 divisors (see below), whose sum is σ = 171781732800. Its totient is φ = 42942091488.

The previous prime is 100202112103. The next prime is 100202112149. The reversal of 100202112122 is 221211202001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100202112097 and 100202112106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276173 + ... + 525999.

It is an arithmetic number, because the mean of its divisors is an integer number (10736358300).

Almost surely, 2^100202112122 is an apocalyptic number.

100202112122 is a deficient number, since it is larger than the sum of its proper divisors (71579620678).

100202112122 is a wasteful number, since it uses less digits than its factorization.

100202112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278485.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100202112122 its reverse (221211202001), we get a palindrome (321413314123).

The spelling of 100202112122 in words is "one hundred billion, two hundred two million, one hundred twelve thousand, one hundred twenty-two".