101112211999 has 2 divisors, whose sum is σ = 101112212000. Its totient is φ = 101112211998.

The previous prime is 101112211987. The next prime is 101112212023. The reversal of 101112211999 is 999112211101.

It is a weak prime.

It is an emirp because it is prime and its reverse (999112211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101112211999 - 2¹³ = 101112203807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101112211939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556105999 + 50556106000.

It is an arithmetic number, because the mean of its divisors is an integer number (50556106000).

Almost surely, 2^101112211999 is an apocalyptic number.

101112211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101112211999 is an equidigital number, since it uses as much as digits as its factorization.

101112211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 101112211999 in words is "one hundred one billion, one hundred twelve million, two hundred eleven thousand, nine hundred ninety-nine".