2221202219923 has 2 divisors, whose sum is σ = 2221202219924. Its totient is φ = 2221202219922.

The previous prime is 2221202219917. The next prime is 2221202220031. The reversal of 2221202219923 is 3299122021222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221202219923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221202219023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110601109961 + 1110601109962.

It is an arithmetic number, because the mean of its divisors is an integer number (1110601109962).

Almost surely, 2^{2221202219923} is an apocalyptic number.

2221202219923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221202219923 is an equidigital number, since it uses as much as digits as its factorization.

2221202219923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 2221202219923 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred nineteen thousand, nine hundred twenty-three".