101121012099999 has 24 divisors (see below), whose sum is σ = 151696872128880. Its totient is φ = 64855018977408.

The previous prime is 101121012099983. The next prime is 101121012100007. The reversal of 101121012099999 is 999990210121101.

101121012099999 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 101121012099999 - 2⁴ = 101121012099983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121012099299) 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, 1705963077 + ... + 1706022350.

It is an arithmetic number, because the mean of its divisors is an integer number (6320703005370).

Almost surely, 2^{101121012099999} is an apocalyptic number.

101121012099999 is a deficient number, since it is larger than the sum of its proper divisors (50575860028881).

101121012099999 is a wasteful number, since it uses less digits than its factorization.

101121012099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411985559 (or 3411985556 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 54.

The spelling of 101121012099999 in words is "one hundred one trillion, one hundred twenty-one billion, twelve million, ninety-nine thousand, nine hundred ninety-nine".