100222121112021 has 48 divisors (see below), whose sum is σ = 146272788230400. Its totient is φ = 66122764646400.

The previous prime is 100222121111993. The next prime is 100222121112023. The reversal of 100222121112021 is 120211121222001.

It is not a de Polignac number, because 100222121112021 - 2⁵ = 100222121111989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100222121111985 and 100222121112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222121112023) 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, 398328960 + ... + 398580486.

It is an arithmetic number, because the mean of its divisors is an integer number (3047349754800).

Almost surely, 2^{100222121112021} is an apocalyptic number.

It is an amenable number.

100222121112021 is a deficient number, since it is larger than the sum of its proper divisors (46050667118379).

100222121112021 is a wasteful number, since it uses less digits than its factorization.

100222121112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252786 (or 252783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100222121112021 its reverse (120211121222001), we get a palindrome (220433242334022).

The spelling of 100222121112021 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, twenty-one".