111020021011099 has 2 divisors, whose sum is σ = 111020021011100. Its totient is φ = 111020021011098.

The previous prime is 111020021011091. The next prime is 111020021011127. The reversal of 111020021011099 is 990110120020111.

It is a happy number.

It is an a-pointer prime, because the next prime (111020021011127) can be obtained adding 111020021011099 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111020021011099 - 2³ = 111020021011091 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020021011091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510010505549 + 55510010505550.

It is an arithmetic number, because the mean of its divisors is an integer number (55510010505550).

Almost surely, 2^{111020021011099} is an apocalyptic number.

111020021011099 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020021011099 is an equidigital number, since it uses as much as digits as its factorization.

111020021011099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 111020021011099 in words is "one hundred eleven trillion, twenty billion, twenty-one million, eleven thousand, ninety-nine".