111022010120123 has 2 divisors, whose sum is σ = 111022010120124. Its totient is φ = 111022010120122.

The previous prime is 111022010120069. The next prime is 111022010120209. The reversal of 111022010120123 is 321021010220111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111022010120123 - 2²² = 111022005925819 is a prime.

It is a super-2 number, since 2×111022010120123² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111022010120423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511005060061 + 55511005060062.

It is an arithmetic number, because the mean of its divisors is an integer number (55511005060062).

Almost surely, 2^{111022010120123} is an apocalyptic number.

111022010120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022010120123 is an equidigital number, since it uses as much as digits as its factorization.

111022010120123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111022010120123 its reverse (321021010220111), we get a palindrome (432043020340234).

The spelling of 111022010120123 in words is "one hundred eleven trillion, twenty-two billion, ten million, one hundred twenty thousand, one hundred twenty-three".