22021210121193 has 8 divisors (see below), whose sum is σ = 32624014994400. Its totient is φ = 14680806747444.

The previous prime is 22021210121189. The next prime is 22021210121227. The reversal of 22021210121193 is 39112101212022.

22021210121193 is a `hidden beast` number, since 220 + 21 + 210 + 1 + 21 + 193 = 666.

It is not a de Polignac number, because 22021210121193 - 2² = 22021210121189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 815600374859 = 22021210121193 / (2 + 2 + 0 + 2 + 1 + 2 + 1 + 0 + 1 + 2 + 1 + 1 + 9 + 3).

It is not an unprimeable number, because it can be changed into a prime (22021210121593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407800187403 + ... + 407800187456.

It is an arithmetic number, because the mean of its divisors is an integer number (4078001874300).

Almost surely, 2^{22021210121193} is an apocalyptic number.

It is an amenable number.

22021210121193 is a deficient number, since it is larger than the sum of its proper divisors (10602804873207).

22021210121193 is an equidigital number, since it uses as much as digits as its factorization.

22021210121193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815600374868 (or 815600374862 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 22021210121193 in words is "twenty-two trillion, twenty-one billion, two hundred ten million, one hundred twenty-one thousand, one hundred ninety-three".