100210210101121 has 4 divisors (see below), whose sum is σ = 102654361567044. Its totient is φ = 97766058635200.

The previous prime is 100210210101049. The next prime is 100210210101161. The reversal of 100210210101121 is 121101012012001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11440629760000 + 88769580341121 = 3382400^2 + 9421761^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210210101121 - 2¹³ = 100210210092929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100210210101161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222075732900 + ... + 1222075732981.

It is an arithmetic number, because the mean of its divisors is an integer number (25663590391761).

Almost surely, 2^{100210210101121} is an apocalyptic number.

It is an amenable number.

100210210101121 is a deficient number, since it is larger than the sum of its proper divisors (2444151465923).

100210210101121 is an equidigital number, since it uses as much as digits as its factorization.

100210210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444151465922.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100210210101121 its reverse (121101012012001), we get a palindrome (221311222113122).

The spelling of 100210210101121 in words is "one hundred trillion, two hundred ten billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".