100222112022021 has 48 divisors (see below), whose sum is σ = 166951100946240. Its totient is φ = 57296827042560.

The previous prime is 100222112022017. The next prime is 100222112022083. The reversal of 100222112022021 is 120220211222001.

It is a happy number.

100222112022021 is a `hidden beast` number, since 100 + 2 + 221 + 120 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 100222112022021 - 2² = 100222112022017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100222112021985 and 100222112022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222113022021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113899266 + ... + 114775811.

It is an arithmetic number, because the mean of its divisors is an integer number (3478147936380).

Almost surely, 2^{100222112022021} is an apocalyptic number.

100222112022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100222112022021 is a deficient number, since it is larger than the sum of its proper divisors (66728988924219).

100222112022021 is a wasteful number, since it uses less digits than its factorization.

100222112022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228675346 (or 228675343 counting only the distinct ones).

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

Adding to 100222112022021 its reverse (120220211222001), we get a palindrome (220442323244022).

The spelling of 100222112022021 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, twenty-two thousand, twenty-one".