111031020212113 has 2 divisors, whose sum is σ = 111031020212114. Its totient is φ = 111031020212112.

The previous prime is 111031020211999. The next prime is 111031020212129. The reversal of 111031020212113 is 311212020130111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107513921307664 + 3517098904449 = 10368892^2 + 1875393^2 .

It is a cyclic number.

It is not a de Polignac number, because 111031020212113 - 2¹⁷ = 111031020081041 is a prime.

It is a super-3 number, since 3×111031020212113³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111031020212713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515510106056 + 55515510106057.

It is an arithmetic number, because the mean of its divisors is an integer number (55515510106057).

Almost surely, 2^{111031020212113} is an apocalyptic number.

It is an amenable number.

111031020212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

111031020212113 is an equidigital number, since it uses as much as digits as its factorization.

111031020212113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111031020212113 its reverse (311212020130111), we get a palindrome (422243040342224).

The spelling of 111031020212113 in words is "one hundred eleven trillion, thirty-one billion, twenty million, two hundred twelve thousand, one hundred thirteen".