101022012009999 has 24 divisors (see below), whose sum is σ = 149696049235824. Its totient is φ = 65610286128000.

The previous prime is 101022012009991. The next prime is 101022012010009. The reversal of 101022012009999 is 999900210220101.

It is not a de Polignac number, because 101022012009999 - 2³ = 101022012009991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022012009991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197843712 + ... + 198353669.

It is an arithmetic number, because the mean of its divisors is an integer number (6237335384826).

Almost surely, 2^{101022012009999} is an apocalyptic number.

101022012009999 is a deficient number, since it is larger than the sum of its proper divisors (48674037225825).

101022012009999 is a wasteful number, since it uses less digits than its factorization.

101022012009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396198119 (or 396198116 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 101022012009999 in words is "one hundred one trillion, twenty-two billion, twelve million, nine thousand, nine hundred ninety-nine".