100122022121021 has 8 divisors (see below), whose sum is σ = 100313166041088. Its totient is φ = 99931044924000.

The previous prime is 100122022120979. The next prime is 100122022121029. The reversal of 100122022121021 is 120121220221001.

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 100122022121021 - 2⁶ = 100122022120957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122022121029) 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, 40478525 + ... + 42880706.

It is an arithmetic number, because the mean of its divisors is an integer number (12539145755136).

Almost surely, 2^{100122022121021} is an apocalyptic number.

It is an amenable number.

100122022121021 is a deficient number, since it is larger than the sum of its proper divisors (191143920067).

100122022121021 is an equidigital number, since it uses as much as digits as its factorization.

100122022121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83361523.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100122022121021 its reverse (120121220221001), we get a palindrome (220243242342022).

It can be divided in two parts, 1001 and 22022121021, that added together give a palindrome (22022122022).

The spelling of 100122022121021 in words is "one hundred trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty-one".