22000102121987 has 16 divisors (see below), whose sum is σ = 25073520317280. Its totient is φ = 19119242016000.

The previous prime is 22000102121983. The next prime is 22000102121989. The reversal of 22000102121987 is 78912120100022.

It is a cyclic number.

It is not a de Polignac number, because 22000102121987 - 2² = 22000102121983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000102121983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341382818 + ... + 341447255.

It is an arithmetic number, because the mean of its divisors is an integer number (1567095019830).

Almost surely, 2^{22000102121987} is an apocalyptic number.

22000102121987 is a deficient number, since it is larger than the sum of its proper divisors (3073418195293).

22000102121987 is a wasteful number, since it uses less digits than its factorization.

22000102121987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682830214.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 22000102121987 in words is "twenty-two trillion, one hundred two million, one hundred twenty-one thousand, nine hundred eighty-seven".