111212011093 has 2 divisors, whose sum is σ = 111212011094. Its totient is φ = 111212011092.

The previous prime is 111212011091. The next prime is 111212011109. The reversal of 111212011093 is 390110212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88231573444 + 22980437649 = 297038^2 + 151593^2 .

It is a cyclic number.

It is not a de Polignac number, because 111212011093 - 2¹ = 111212011091 is a prime.

It is a super-2 number, since 2×111212011093² (a number of 23 digits) contains 22 as substring.

Together with 111212011091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111212011091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606005546 + 55606005547.

It is an arithmetic number, because the mean of its divisors is an integer number (55606005547).

Almost surely, 2^111212011093 is an apocalyptic number.

It is an amenable number.

111212011093 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212011093 is an equidigital number, since it uses as much as digits as its factorization.

111212011093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 111212011093 in words is "one hundred eleven billion, two hundred twelve million, eleven thousand, ninety-three".