101256133101 has 4 divisors (see below), whose sum is σ = 135008177472. Its totient is φ = 67504088732.

The previous prime is 101256133073. The next prime is 101256133109. The reversal of 101256133101 is 101331652101.

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.

It is a cyclic number.

It is not a de Polignac number, because 101256133101 - 2⁷ = 101256132973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101256133109) 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, 16876022181 + ... + 16876022186.

It is an arithmetic number, because the mean of its divisors is an integer number (33752044368).

Almost surely, 2^101256133101 is an apocalyptic number.

It is an amenable number.

101256133101 is a deficient number, since it is larger than the sum of its proper divisors (33752044371).

101256133101 is an equidigital number, since it uses as much as digits as its factorization.

101256133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33752044370.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 101256133101 its reverse (101331652101), we get a palindrome (202587785202).

The spelling of 101256133101 in words is "one hundred one billion, two hundred fifty-six million, one hundred thirty-three thousand, one hundred one".