971556101922 has 16 divisors (see below), whose sum is σ = 2220699661632. Its totient is φ = 277587457680.

The previous prime is 971556101891. The next prime is 971556101953. The reversal of 971556101922 is 229101655179.

It is an interprime number because it is at equal distance from previous prime (971556101891) and next prime (971556101953).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11566144029 + ... + 11566144112.

It is an arithmetic number, because the mean of its divisors is an integer number (138793728852).

Almost surely, 2^971556101922 is an apocalyptic number.

971556101922 is an abundant number, since it is smaller than the sum of its proper divisors (1249143559710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971556101922 is a wasteful number, since it uses less digits than its factorization.

971556101922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23132288153.

The product of its (nonzero) digits is 340200, while the sum is 48.

The spelling of 971556101922 in words is "nine hundred seventy-one billion, five hundred fifty-six million, one hundred one thousand, nine hundred twenty-two".