21032201093 has 2 divisors, whose sum is σ = 21032201094. Its totient is φ = 21032201092.

The previous prime is 21032200963. The next prime is 21032201111. The reversal of 21032201093 is 39010223012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19707386689 + 1324814404 = 140383^2 + 36398^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032201093 - 2²⁰ = 21031152517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032281093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516100546 + 10516100547.

It is an arithmetic number, because the mean of its divisors is an integer number (10516100547).

Almost surely, 2^21032201093 is an apocalyptic number.

It is an amenable number.

21032201093 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032201093 is an equidigital number, since it uses as much as digits as its factorization.

21032201093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 21032201093 in words is "twenty-one billion, thirty-two million, two hundred one thousand, ninety-three".