100222001001021 has 16 divisors (see below), whose sum is σ = 133728743623104. Its totient is φ = 66764966899584.

The previous prime is 100222001001019. The next prime is 100222001001079. The reversal of 100222001001021 is 120100100222001.

It is not a de Polignac number, because 100222001001021 - 2¹ = 100222001001019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100222001000988 and 100222001001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222001001091) 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, 101193795 + ... + 102179391.

It is an arithmetic number, because the mean of its divisors is an integer number (8358046476444).

Almost surely, 2^{100222001001021} is an apocalyptic number.

It is an amenable number.

100222001001021 is a deficient number, since it is larger than the sum of its proper divisors (33506742622083).

100222001001021 is a wasteful number, since it uses less digits than its factorization.

100222001001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010780.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100222001001021 its reverse (120100100222001), we get a palindrome (220322101223022).

The spelling of 100222001001021 in words is "one hundred trillion, two hundred twenty-two billion, one million, one thousand, twenty-one".