100121100311 has 4 divisors (see below), whose sum is σ = 101327378712. Its totient is φ = 98914821912.

The previous prime is 100121100217. The next prime is 100121100341. The reversal of 100121100311 is 113001121001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121100311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121100292 and 100121100301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121100341) 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, 603139076 + ... + 603139241.

It is an arithmetic number, because the mean of its divisors is an integer number (25331844678).

Almost surely, 2^100121100311 is an apocalyptic number.

100121100311 is a deficient number, since it is larger than the sum of its proper divisors (1206278401).

100121100311 is an equidigital number, since it uses as much as digits as its factorization.

100121100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206278400.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100121100311 its reverse (113001121001), we get a palindrome (213122221312).

The spelling of 100121100311 in words is "one hundred billion, one hundred twenty-one million, one hundred thousand, three hundred eleven".