22001012010999 has 96 divisors (see below), whose sum is σ = 37567133859840. Its totient is φ = 12148102080576.

The previous prime is 22001012010983. The next prime is 22001012011037. The reversal of 22001012010999 is 99901021010022.

It is not a de Polignac number, because 22001012010999 - 2⁴ = 22001012010983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001012010979) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115209654 + ... + 115400460.

It is an arithmetic number, because the mean of its divisors is an integer number (391324311040).

Almost surely, 2^{22001012010999} is an apocalyptic number.

22001012010999 is a deficient number, since it is larger than the sum of its proper divisors (15566121848841).

22001012010999 is a wasteful number, since it uses less digits than its factorization.

22001012010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191409 (or 191406 counting only the distinct ones).

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

The spelling of 22001012010999 in words is "twenty-two trillion, one billion, twelve million, ten thousand, nine hundred ninety-nine".