221100021010933 has 2 divisors, whose sum is σ = 221100021010934. Its totient is φ = 221100021010932.

The previous prime is 221100021010903. The next prime is 221100021010937. The reversal of 221100021010933 is 339010120001122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139585883734609 + 81514137276324 = 11814647^2 + 9028518^2 .

It is a cyclic number.

It is not a de Polignac number, because 221100021010933 - 2¹⁷ = 221100020879861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221100021010898 and 221100021010907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100021010937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550010505466 + 110550010505467.

It is an arithmetic number, because the mean of its divisors is an integer number (110550010505467).

Almost surely, 2^{221100021010933} is an apocalyptic number.

It is an amenable number.

221100021010933 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100021010933 is an equidigital number, since it uses as much as digits as its factorization.

221100021010933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 221100021010933 in words is "two hundred twenty-one trillion, one hundred billion, twenty-one million, ten thousand, nine hundred thirty-three".