101127772157 has 4 divisors (see below), whose sum is σ = 105524631840. Its totient is φ = 96730912476.

The previous prime is 101127772139. The next prime is 101127772199. The reversal of 101127772157 is 751277721101.

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 101127772157 - 2⁶ = 101127772093 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 (101127772127) 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, 2198429807 + ... + 2198429852.

It is an arithmetic number, because the mean of its divisors is an integer number (26381157960).

Almost surely, 2^101127772157 is an apocalyptic number.

It is an amenable number.

101127772157 is a deficient number, since it is larger than the sum of its proper divisors (4396859683).

101127772157 is an equidigital number, since it uses as much as digits as its factorization.

101127772157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396859682.

The product of its (nonzero) digits is 48020, while the sum is 41.

The spelling of 101127772157 in words is "one hundred one billion, one hundred twenty-seven million, seven hundred seventy-two thousand, one hundred fifty-seven".