100220022021 has 32 divisors (see below), whose sum is σ = 165643446528. Its totient is φ = 52585205760.

The previous prime is 100220022017. The next prime is 100220022029. The reversal of 100220022021 is 120220022001.

It is not a de Polignac number, because 100220022021 - 2² = 100220022017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100220021988 and 100220022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3408880 + ... + 3438153.

It is an arithmetic number, because the mean of its divisors is an integer number (5176357704).

Almost surely, 2^100220022021 is an apocalyptic number.

It is an amenable number.

100220022021 is a deficient number, since it is larger than the sum of its proper divisors (65423424507).

100220022021 is a wasteful number, since it uses less digits than its factorization.

100220022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847101.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100220022021 its reverse (120220022001), we get a palindrome (220440044022).

The spelling of 100220022021 in words is "one hundred billion, two hundred twenty million, twenty-two thousand, twenty-one".