201122100999 has 24 divisors (see below), whose sum is σ = 291685416672. Its totient is φ = 133539494400.

The previous prime is 201122100997. The next prime is 201122101073. The reversal of 201122100999 is 999001221102.

It is not a de Polignac number, because 201122100999 - 2¹ = 201122100997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122100997) 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, 3353494 + ... + 3412940.

It is an arithmetic number, because the mean of its divisors is an integer number (12153559028).

Almost surely, 2^201122100999 is an apocalyptic number.

201122100999 is a deficient number, since it is larger than the sum of its proper divisors (90563315673).

201122100999 is a wasteful number, since it uses less digits than its factorization.

201122100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60967 (or 60964 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 201122100999 in words is "two hundred one billion, one hundred twenty-two million, one hundred thousand, nine hundred ninety-nine".