21222202019153 has 2 divisors, whose sum is σ = 21222202019154. Its totient is φ = 21222202019152.

The previous prime is 21222202019147. The next prime is 21222202019159. The reversal of 21222202019153 is 35191020222212.

It is a balanced prime because it is at equal distance from previous prime (21222202019147) and next prime (21222202019159).

It can be written as a sum of positive squares in only one way, i.e., 11375051326864 + 9847150692289 = 3372692^2 + 3138017^2 .

It is a cyclic number.

It is not a de Polignac number, because 21222202019153 - 2²⁶ = 21222134910289 is a prime.

It is not a weakly prime, because it can be changed into another prime (21222202019159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611101009576 + 10611101009577.

It is an arithmetic number, because the mean of its divisors is an integer number (10611101009577).

Almost surely, 2^{21222202019153} is an apocalyptic number.

It is an amenable number.

21222202019153 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222202019153 is an equidigital number, since it uses as much as digits as its factorization.

21222202019153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 21222202019153 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred two million, nineteen thousand, one hundred fifty-three".