101228864673621 has 16 divisors (see below), whose sum is σ = 135670138934400. Its totient is φ = 67136850443520.

The previous prime is 101228864673527. The next prime is 101228864673631. The reversal of 101228864673621 is 126376468822101.

It is not a de Polignac number, because 101228864673621 - 2²¹ = 101228862576469 is a prime.

It is a super-2 number, since 2×101228864673621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101228864673631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8503440 + ... + 16576073.

It is an arithmetic number, because the mean of its divisors is an integer number (8479383683400).

Almost surely, 2^{101228864673621} is an apocalyptic number.

It is an amenable number.

101228864673621 is a deficient number, since it is larger than the sum of its proper divisors (34441274260779).

101228864673621 is a wasteful number, since it uses less digits than its factorization.

101228864673621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25086476.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 101228864673621 in words is "one hundred one trillion, two hundred twenty-eight billion, eight hundred sixty-four million, six hundred seventy-three thousand, six hundred twenty-one".