101172350421 has 12 divisors (see below), whose sum is σ = 146152669260. Its totient is φ = 67441389120.

The previous prime is 101172350399. The next prime is 101172350467. The reversal of 101172350421 is 124053271101.

101172350421 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 7 + 235 + 0 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3852684900 + 97319665521 = 62070^2 + 311961^2 .

It is not a de Polignac number, because 101172350421 - 2¹⁴ = 101172334037 is a prime.

It is a super-3 number, since 3×101172350421³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101172350491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475936 + ... + 654873.

It is an arithmetic number, because the mean of its divisors is an integer number (12179389105).

Almost surely, 2^101172350421 is an apocalyptic number.

It is an amenable number.

101172350421 is a deficient number, since it is larger than the sum of its proper divisors (44980318839).

101172350421 is a wasteful number, since it uses less digits than its factorization.

101172350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140756 (or 1140753 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 101172350421 in words is "one hundred one billion, one hundred seventy-two million, three hundred fifty thousand, four hundred twenty-one".