101172770050 has 24 divisors (see below), whose sum is σ = 205288749072. Its totient is φ = 36790098000.

The previous prime is 101172769979. The next prime is 101172770107. The reversal of 101172770050 is 50077271101.

It is a junction number, because it is equal to n+sod(n) for n = 101172769994 and 101172770021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91974696 + ... + 91975795.

It is an arithmetic number, because the mean of its divisors is an integer number (8553697878).

Almost surely, 2^101172770050 is an apocalyptic number.

101172770050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101172770050 is an abundant number, since it is smaller than the sum of its proper divisors (104115979022).

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

101172770050 is a wasteful number, since it uses less digits than its factorization.

101172770050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183950514 (or 183950509 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 31.

The spelling of 101172770050 in words is "one hundred one billion, one hundred seventy-two million, seven hundred seventy thousand, fifty".