111221097037 has 2 divisors, whose sum is σ = 111221097038. Its totient is φ = 111221097036.

The previous prime is 111221097017. The next prime is 111221097049. The reversal of 111221097037 is 730790122111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107666671876 + 3554425161 = 328126^2 + 59619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111221097037 is a prime.

It is a super-3 number, since 3×111221097037³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111221096993 and 111221097011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221097017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610548518 + 55610548519.

It is an arithmetic number, because the mean of its divisors is an integer number (55610548519).

Almost surely, 2^111221097037 is an apocalyptic number.

It is an amenable number.

111221097037 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221097037 is an equidigital number, since it uses as much as digits as its factorization.

111221097037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 34.

The spelling of 111221097037 in words is "one hundred eleven billion, two hundred twenty-one million, ninety-seven thousand, thirty-seven".