100311010210121 has 4 divisors (see below), whose sum is σ = 100627448728452. Its totient is φ = 99994571691792.

The previous prime is 100311010210087. The next prime is 100311010210171. The reversal of 100311010210121 is 121012010113001.

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 46017161124025 + 54293849086096 = 6783595^2 + 7368436^2 .

It is a cyclic number.

It is not a de Polignac number, because 100311010210121 - 2⁶ = 100311010210057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100311010210096 and 100311010210105.

It is not an unprimeable number, because it can be changed into a prime (100311010210171) 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, 158219258690 + ... + 158219259323.

It is an arithmetic number, because the mean of its divisors is an integer number (25156862182113).

Almost surely, 2^{100311010210121} is an apocalyptic number.

It is an amenable number.

100311010210121 is a deficient number, since it is larger than the sum of its proper divisors (316438518331).

100311010210121 is an equidigital number, since it uses as much as digits as its factorization.

100311010210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316438518330.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100311010210121 its reverse (121012010113001), we get a palindrome (221323020323122).

The spelling of 100311010210121 in words is "one hundred trillion, three hundred eleven billion, ten million, two hundred ten thousand, one hundred twenty-one".