111020205893 has 2 divisors, whose sum is σ = 111020205894. Its totient is φ = 111020205892.

The previous prime is 111020205883. The next prime is 111020205917. The reversal of 111020205893 is 398502020111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88793272324 + 22226933569 = 297982^2 + 149087^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020205893 - 2²⁶ = 110953097029 is a prime.

It is a super-2 number, since 2×111020205893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020205883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510102946 + 55510102947.

It is an arithmetic number, because the mean of its divisors is an integer number (55510102947).

Almost surely, 2^111020205893 is an apocalyptic number.

It is an amenable number.

111020205893 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020205893 is an equidigital number, since it uses as much as digits as its factorization.

111020205893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 111020205893 in words is "one hundred eleven billion, twenty million, two hundred five thousand, eight hundred ninety-three".