101538747228781 has 8 divisors (see below), whose sum is σ = 101548977868800. Its totient is φ = 101528516973312.

The previous prime is 101538747228739. The next prime is 101538747228811. The reversal of 101538747228781 is 187822747835101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101538747228781 - 2²⁹ = 101538210357869 is a prime.

It is a super-2 number, since 2×101538747228781² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101538747228481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008549261 + ... + 1008649933.

It is an arithmetic number, because the mean of its divisors is an integer number (12693622233600).

Almost surely, 2^{101538747228781} is an apocalyptic number.

It is an amenable number.

101538747228781 is a deficient number, since it is larger than the sum of its proper divisors (10230640019).

101538747228781 is a wasteful number, since it uses less digits than its factorization.

101538747228781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192275.

The product of its (nonzero) digits is 42147840, while the sum is 64.

The spelling of 101538747228781 in words is "one hundred one trillion, five hundred thirty-eight billion, seven hundred forty-seven million, two hundred twenty-eight thousand, seven hundred eighty-one".