100222220021122 has 32 divisors (see below), whose sum is σ = 157842167745600. Its totient is φ = 47659863776448.

The previous prime is 100222220021083. The next prime is 100222220021129. The reversal of 100222220021122 is 221120022222001.

It is a super-2 number, since 2×100222220021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100222220021122.

It is not an unprimeable number, because it can be changed into a prime (100222220021129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174906504 + ... + 175478572.

It is an arithmetic number, because the mean of its divisors is an integer number (4932567742050).

Almost surely, 2^{100222220021122} is an apocalyptic number.

100222220021122 is a deficient number, since it is larger than the sum of its proper divisors (57619947724478).

100222220021122 is a wasteful number, since it uses less digits than its factorization.

100222220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617250.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100222220021122 its reverse (221120022222001), we get a palindrome (321342242243123).

The spelling of 100222220021122 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".