101211300311 has 4 divisors (see below), whose sum is σ = 110412327624. Its totient is φ = 92010273000.

The previous prime is 101211300277. The next prime is 101211300347. The reversal of 101211300311 is 113003112101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101211300311 - 2³⁰ = 100137558487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211300511) 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, 4600513640 + ... + 4600513661.

It is an arithmetic number, because the mean of its divisors is an integer number (27603081906).

Almost surely, 2^101211300311 is an apocalyptic number.

101211300311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101211300311 is a deficient number, since it is larger than the sum of its proper divisors (9201027313).

101211300311 is an equidigital number, since it uses as much as digits as its factorization.

101211300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201027312.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101211300311 its reverse (113003112101), we get a palindrome (214214412412).

The spelling of 101211300311 in words is "one hundred one billion, two hundred eleven million, three hundred thousand, three hundred eleven".