101121768789 has 16 divisors (see below), whose sum is σ = 140706096000. Its totient is φ = 64476599616.

The previous prime is 101121768773. The next prime is 101121768793. The reversal of 101121768789 is 987867121101.

It is not a de Polignac number, because 101121768789 - 2⁴ = 101121768773 is a prime.

It is a super-2 number, since 2×101121768789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121768719) 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, 621987 + ... + 767535.

It is an arithmetic number, because the mean of its divisors is an integer number (8794131000).

Almost surely, 2^101121768789 is an apocalyptic number.

It is an amenable number.

101121768789 is a deficient number, since it is larger than the sum of its proper divisors (39584327211).

101121768789 is a wasteful number, since it uses less digits than its factorization.

101121768789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155644.

The product of its (nonzero) digits is 338688, while the sum is 51.

The spelling of 101121768789 in words is "one hundred one billion, one hundred twenty-one million, seven hundred sixty-eight thousand, seven hundred eighty-nine".