2101120099999 has 16 divisors (see below), whose sum is σ = 2226699290880. Its totient is φ = 1977044414400.

The previous prime is 2101120099997. The next prime is 2101120100011. The reversal of 2101120099999 is 9999900211012.

It is a cyclic number.

It is not a de Polignac number, because 2101120099999 - 2¹ = 2101120099997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120099993) 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, 19533027 + ... + 19640299.

It is an arithmetic number, because the mean of its divisors is an integer number (139168705680).

Almost surely, 2^{2101120099999} is an apocalyptic number.

2101120099999 is a deficient number, since it is larger than the sum of its proper divisors (125579190881).

2101120099999 is a wasteful number, since it uses less digits than its factorization.

2101120099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114270.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 2101120099999 in words is "two trillion, one hundred one billion, one hundred twenty million, ninety-nine thousand, nine hundred ninety-nine".