100201220220021 has 8 divisors (see below), whose sum is σ = 133601727763680. Its totient is φ = 66800763078192.

The previous prime is 100201220220011. The next prime is 100201220220029. The reversal of 100201220220021 is 120022022102001.

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

It is not a de Polignac number, because 100201220220021 - 2²⁷ = 100201086002293 is a prime.

It is a super-2 number, since 2×100201220220021² (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 (100201220220029) 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, 7688091 + ... + 16109288.

It is an arithmetic number, because the mean of its divisors is an integer number (16700215970460).

Almost surely, 2^{100201220220021} is an apocalyptic number.

It is an amenable number.

100201220220021 is a deficient number, since it is larger than the sum of its proper divisors (33400507543659).

100201220220021 is a wasteful number, since it uses less digits than its factorization.

100201220220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200915.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100201220220021 its reverse (120022022102001), we get a palindrome (220223242322022).

The spelling of 100201220220021 in words is "one hundred trillion, two hundred one billion, two hundred twenty million, two hundred twenty thousand, twenty-one".