101131211120999 has 4 divisors (see below), whose sum is σ = 101736787235664. Its totient is φ = 100525635006336.

The previous prime is 101131211120981. The next prime is 101131211121029. The reversal of 101131211120999 is 999021112131101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101131211120999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131211120939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302788057082 + ... + 302788057415.

It is an arithmetic number, because the mean of its divisors is an integer number (25434196808916).

Almost surely, 2^{101131211120999} is an apocalyptic number.

101131211120999 is a deficient number, since it is larger than the sum of its proper divisors (605576114665).

101131211120999 is an equidigital number, since it uses as much as digits as its factorization.

101131211120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605576114664.

The product of its (nonzero) digits is 8748, while the sum is 41.

The spelling of 101131211120999 in words is "one hundred one trillion, one hundred thirty-one billion, two hundred eleven million, one hundred twenty thousand, nine hundred ninety-nine".