111022209997 has 2 divisors, whose sum is σ = 111022209998. Its totient is φ = 111022209996.

The previous prime is 111022209983. The next prime is 111022210121. The reversal of 111022209997 is 799902220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102463369801 + 8558840196 = 320099^2 + 92514^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022209997 - 2³⁵ = 76662471629 is a prime.

It is a super-3 number, since 3×111022209997³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022209967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511104998 + 55511104999.

It is an arithmetic number, because the mean of its divisors is an integer number (55511104999).

Almost surely, 2^111022209997 is an apocalyptic number.

It is an amenable number.

111022209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022209997 is an equidigital number, since it uses as much as digits as its factorization.

111022209997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 111022209997 in words is "one hundred eleven billion, twenty-two million, two hundred nine thousand, nine hundred ninety-seven".