101621316126 has 64 divisors (see below), whose sum is σ = 240487543296. Its totient is φ = 28275993600.

The previous prime is 101621316107. The next prime is 101621316133. The reversal of 101621316126 is 621613126101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101621316093 and 101621316102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058530 + ... + 1150533.

It is an arithmetic number, because the mean of its divisors is an integer number (3757617864).

Almost surely, 2^101621316126 is an apocalyptic number.

101621316126 is an abundant number, since it is smaller than the sum of its proper divisors (138866227170).

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

101621316126 is a wasteful number, since it uses less digits than its factorization.

101621316126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209137.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 101621316126 in words is "one hundred one billion, six hundred twenty-one million, three hundred sixteen thousand, one hundred twenty-six".