100122201021021 has 8 divisors (see below), whose sum is σ = 139300453594560. Its totient is φ = 63846041230752.

The previous prime is 100122201021019. The next prime is 100122201021077. The reversal of 100122201021021 is 120120102221001.

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

It is not a de Polignac number, because 100122201021021 - 2¹ = 100122201021019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122201021221) 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, 725523195736 + ... + 725523195873.

It is an arithmetic number, because the mean of its divisors is an integer number (17412556699320).

Almost surely, 2^{100122201021021} is an apocalyptic number.

It is an amenable number.

100122201021021 is a deficient number, since it is larger than the sum of its proper divisors (39178252573539).

100122201021021 is a wasteful number, since it uses less digits than its factorization.

100122201021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451046391635.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122201021021 its reverse (120120102221001), we get a palindrome (220242303242022).

The spelling of 100122201021021 in words is "one hundred trillion, one hundred twenty-two billion, two hundred one million, twenty-one thousand, twenty-one".