100122311213 has 4 divisors (see below), whose sum is σ = 105391906560. Its totient is φ = 94852715868.

The previous prime is 100122311197. The next prime is 100122311269. The reversal of 100122311213 is 312113221001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312113221001 = 307 ⋅1016655443.

It is a cyclic number.

It is not a de Polignac number, because 100122311213 - 2⁴ = 100122311197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100122311191 and 100122311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122311273) 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, 2634797645 + ... + 2634797682.

It is an arithmetic number, because the mean of its divisors is an integer number (26347976640).

Almost surely, 2^100122311213 is an apocalyptic number.

It is an amenable number.

100122311213 is a deficient number, since it is larger than the sum of its proper divisors (5269595347).

100122311213 is an equidigital number, since it uses as much as digits as its factorization.

100122311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269595346.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100122311213 its reverse (312113221001), we get a palindrome (412235532214).

The spelling of 100122311213 in words is "one hundred billion, one hundred twenty-two million, three hundred eleven thousand, two hundred thirteen".