100210122010121 has 4 divisors (see below), whose sum is σ = 104567083836672. Its totient is φ = 95853160183572.

The previous prime is 100210122010109. The next prime is 100210122010153. The reversal of 100210122010121 is 121010221012001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100210122010121 - 2¹⁰ = 100210122009097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210122010096 and 100210122010105.

It is not an unprimeable number, because it can be changed into a prime (100210122010171) 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, 2178480913241 + ... + 2178480913286.

It is an arithmetic number, because the mean of its divisors is an integer number (26141770959168).

Almost surely, 2^{100210122010121} is an apocalyptic number.

It is an amenable number.

100210122010121 is a deficient number, since it is larger than the sum of its proper divisors (4356961826551).

100210122010121 is an equidigital number, since it uses as much as digits as its factorization.

100210122010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356961826550.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100210122010121 its reverse (121010221012001), we get a palindrome (221220343022122).

The spelling of 100210122010121 in words is "one hundred trillion, two hundred ten billion, one hundred twenty-two million, ten thousand, one hundred twenty-one".