100200222122120 has 32 divisors (see below), whose sum is σ = 225682683693120. Its totient is φ = 40038811707840.

The previous prime is 100200222122101. The next prime is 100200222122171. The reversal of 100200222122120 is 21221222002001.

It is a happy number.

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, 1289871332 + ... + 1289949011.

It is an arithmetic number, because the mean of its divisors is an integer number (7052583865410).

Almost surely, 2^{100200222122120} is an apocalyptic number.

100200222122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100200222122120 is an abundant number, since it is smaller than the sum of its proper divisors (125482461571000).

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

100200222122120 is a wasteful number, since it uses less digits than its factorization.

100200222122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579821325 (or 2579821321 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100200222122120 its reverse (21221222002001), we get a palindrome (121421444124121).

The spelling of 100200222122120 in words is "one hundred trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty".