100022221122021 has 32 divisors (see below), whose sum is σ = 161653091725440. Its totient is φ = 60619146508800.

The previous prime is 100022221122011. The next prime is 100022221122097. The reversal of 100022221122021 is 120221122220001.

It is a happy number.

100022221122021 is a `hidden beast` number, since 10 + 0 + 0 + 222 + 211 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 100022221122021 - 2¹⁷ = 100022220990949 is a prime.

It is a super-2 number, since 2×100022221122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100022221121985 and 100022221122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022221122011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50423701 + ... + 52369781.

It is an arithmetic number, because the mean of its divisors is an integer number (5051659116420).

Almost surely, 2^{100022221122021} is an apocalyptic number.

100022221122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100022221122021 is a deficient number, since it is larger than the sum of its proper divisors (61630870603419).

100022221122021 is a wasteful number, since it uses less digits than its factorization.

100022221122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119154 (or 2119148 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100022221122021 its reverse (120221122220001), we get a palindrome (220243343342022).

The spelling of 100022221122021 in words is "one hundred trillion, twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-one".