2101222188433 has 2 divisors, whose sum is σ = 2101222188434. Its totient is φ = 2101222188432.

The previous prime is 2101222188413. The next prime is 2101222188463. The reversal of 2101222188433 is 3348812221012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313471860624 + 787750327809 = 1146068^2 + 887553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101222188433 - 2²⁵ = 2101188634001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101222188392 and 2101222188401.

It is not a weakly prime, because it can be changed into another prime (2101222188413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611094216 + 1050611094217.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611094217).

Almost surely, 2^{2101222188433} is an apocalyptic number.

It is an amenable number.

2101222188433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222188433 is an equidigital number, since it uses as much as digits as its factorization.

2101222188433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 2101222188433 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred eighty-eight thousand, four hundred thirty-three".