900221011153 has 2 divisors, whose sum is σ = 900221011154. Its totient is φ = 900221011152.

The previous prime is 900221011147. The next prime is 900221011231. The reversal of 900221011153 is 351110122009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890111110849 + 10109900304 = 943457^2 + 100548^2 .

It is a cyclic number.

It is not a de Polignac number, because 900221011153 - 2¹⁷ = 900220880081 is a prime.

It is not a weakly prime, because it can be changed into another prime (900221011133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450110505576 + 450110505577.

It is an arithmetic number, because the mean of its divisors is an integer number (450110505577).

Almost surely, 2^900221011153 is an apocalyptic number.

It is an amenable number.

900221011153 is a deficient number, since it is larger than the sum of its proper divisors (1).

900221011153 is an equidigital number, since it uses as much as digits as its factorization.

900221011153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The spelling of 900221011153 in words is "nine hundred billion, two hundred twenty-one million, eleven thousand, one hundred fifty-three".