100222022121100 has 72 divisors (see below), whose sum is σ = 237288346167600. Its totient is φ = 36438920601600.

The previous prime is 100222022121083. The next prime is 100222022121101. The reversal of 100222022121100 is 1121220222001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100222022121101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547396 + ... + 14168404.

It is an arithmetic number, because the mean of its divisors is an integer number (3295671474550).

Almost surely, 2^{100222022121100} is an apocalyptic number.

100222022121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222022121100 is an abundant number, since it is smaller than the sum of its proper divisors (137066324046500).

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

100222022121100 is a wasteful number, since it uses less digits than its factorization.

100222022121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627723 (or 13627716 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222022121100 its reverse (1121220222001), we get a palindrome (101343242343101).

The spelling of 100222022121100 in words is "one hundred trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, one hundred".