220011120997 has 2 divisors, whose sum is σ = 220011120998. Its totient is φ = 220011120996.

The previous prime is 220011120961. The next prime is 220011121013. The reversal of 220011120997 is 799021110022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219144760641 + 866360356 = 468129^2 + 29434^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011120997 - 2⁷ = 220011120869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220011121997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005560498 + 110005560499.

It is an arithmetic number, because the mean of its divisors is an integer number (110005560499).

Almost surely, 2^220011120997 is an apocalyptic number.

It is an amenable number.

220011120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011120997 is an equidigital number, since it uses as much as digits as its factorization.

220011120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 220011120997 in words is "two hundred twenty billion, eleven million, one hundred twenty thousand, nine hundred ninety-seven".