111210137469397 has 2 divisors, whose sum is σ = 111210137469398. Its totient is φ = 111210137469396.

The previous prime is 111210137469317. The next prime is 111210137469407. The reversal of 111210137469397 is 793964731012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101863824603121 + 9346312866276 = 10092761^2 + 3057174^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210137469397 - 2⁷ = 111210137469269 is a prime.

It is a super-2 number, since 2×111210137469397² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111210137469317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605068734698 + 55605068734699.

It is an arithmetic number, because the mean of its divisors is an integer number (55605068734699).

Almost surely, 2^{111210137469397} is an apocalyptic number.

It is an amenable number.

111210137469397 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210137469397 is an equidigital number, since it uses as much as digits as its factorization.

111210137469397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 111210137469397 in words is "one hundred eleven trillion, two hundred ten billion, one hundred thirty-seven million, four hundred sixty-nine thousand, three hundred ninety-seven".