100100110210121 has 16 divisors (see below), whose sum is σ = 114836054860800. Its totient is φ = 85473611225280.

The previous prime is 100100110210073. The next prime is 100100110210123. The reversal of 100100110210121 is 121012011001001.

It is a cyclic number.

It is not a de Polignac number, because 100100110210121 - 2¹⁴ = 100100110193737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100100110210123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16717241 + ... + 21901286.

It is an arithmetic number, because the mean of its divisors is an integer number (7177253428800).

Almost surely, 2^{100100110210121} is an apocalyptic number.

It is an amenable number.

100100110210121 is a deficient number, since it is larger than the sum of its proper divisors (14735944650679).

100100110210121 is a wasteful number, since it uses less digits than its factorization.

100100110210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38619944.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100100110210121 its reverse (121012011001001), we get a palindrome (221112121211122).

The spelling of 100100110210121 in words is "one hundred trillion, one hundred billion, one hundred ten million, two hundred ten thousand, one hundred twenty-one".