100220011021 has 16 divisors (see below), whose sum is σ = 113223519360. Its totient is φ = 88062690240.

The previous prime is 100220010997. The next prime is 100220011043. The reversal of 100220011021 is 120110022001.

It is a cyclic number.

It is not a de Polignac number, because 100220011021 - 2⁷ = 100220010893 is a prime.

It is a super-2 number, since 2×100220011021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220010989 and 100220011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220011051) 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, 1845315 + ... + 1898848.

It is an arithmetic number, because the mean of its divisors is an integer number (7076469960).

Almost surely, 2^100220011021 is an apocalyptic number.

It is an amenable number.

100220011021 is a deficient number, since it is larger than the sum of its proper divisors (13003508339).

100220011021 is a wasteful number, since it uses less digits than its factorization.

100220011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744276.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220011021 its reverse (120110022001), we get a palindrome (220330033022).

The spelling of 100220011021 in words is "one hundred billion, two hundred twenty million, eleven thousand, twenty-one".