22001112101987 has 16 divisors (see below), whose sum is σ = 22459625367552. Its totient is φ = 21544214721120.

The previous prime is 22001112101977. The next prime is 22001112102037. The reversal of 22001112101987 is 78910121110022.

It is a cyclic number.

It is not a de Polignac number, because 22001112101987 - 2²⁴ = 22001095324771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001112101977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309791312 + ... + 309862322.

It is an arithmetic number, because the mean of its divisors is an integer number (1403726585472).

Almost surely, 2^{22001112101987} is an apocalyptic number.

22001112101987 is a deficient number, since it is larger than the sum of its proper divisors (458513265565).

22001112101987 is a wasteful number, since it uses less digits than its factorization.

22001112101987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82298.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 22001112101987 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred one thousand, nine hundred eighty-seven".