101021100111988 has 24 divisors (see below), whose sum is σ = 202042413828864. Its totient is φ = 43294711418400.

The previous prime is 101021100111961. The next prime is 101021100112007. The reversal of 101021100111988 is 889111001120101.

101021100111988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101021100111988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47555733 + ... + 49634563.

It is an arithmetic number, because the mean of its divisors is an integer number (8418433909536).

Almost surely, 2^{101021100111988} is an apocalyptic number.

It is an amenable number.

101021100111988 is an abundant number, since it is smaller than the sum of its proper divisors (101021313716876).

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

101021100111988 is a wasteful number, since it uses less digits than its factorization.

101021100111988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814383 (or 3814381 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 34.

The spelling of 101021100111988 in words is "one hundred one trillion, twenty-one billion, one hundred million, one hundred eleven thousand, nine hundred eighty-eight".