101606657115021 has 16 divisors (see below), whose sum is σ = 135745924557888. Its totient is φ = 67602600374400.

The previous prime is 101606657114983. The next prime is 101606657115023. The reversal of 101606657115021 is 120511756606101.

It is not a de Polignac number, because 101606657115021 - 2²⁶ = 101606590006157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101606657115023) 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, 18076431 + ... + 23021091.

It is an arithmetic number, because the mean of its divisors is an integer number (8484120284868).

Almost surely, 2^{101606657115021} is an apocalyptic number.

It is an amenable number.

101606657115021 is a deficient number, since it is larger than the sum of its proper divisors (34139267442867).

101606657115021 is a wasteful number, since it uses less digits than its factorization.

101606657115021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958332.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 101606657115021 in words is "one hundred one trillion, six hundred six billion, six hundred fifty-seven million, one hundred fifteen thousand, twenty-one".