100204214121021 has 8 divisors (see below), whose sum is σ = 135487388107584. Its totient is φ = 65861924774240.

The previous prime is 100204214121007. The next prime is 100204214121023. The reversal of 100204214121021 is 120121412402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100204214121021 - 2³³ = 100195624186429 is a prime.

It is a super-2 number, since 2×100204214121021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100204214121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235221159696 + ... + 235221160121.

It is an arithmetic number, because the mean of its divisors is an integer number (16935923513448).

Almost surely, 2^{100204214121021} is an apocalyptic number.

It is an amenable number.

100204214121021 is a deficient number, since it is larger than the sum of its proper divisors (35283173986563).

100204214121021 is an equidigital number, since it uses as much as digits as its factorization.

100204214121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470442319891.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 100204214121021 its reverse (120121412402001), we get a palindrome (220325626523022).

The spelling of 100204214121021 in words is "one hundred trillion, two hundred four billion, two hundred fourteen million, one hundred twenty-one thousand, twenty-one".