121110120311 has 2 divisors, whose sum is σ = 121110120312. Its totient is φ = 121110120310.

The previous prime is 121110120233. The next prime is 121110120367. The reversal of 121110120311 is 113021011121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121110120311 - 2¹⁰ = 121110119287 is a prime.

It is a super-2 number, since 2×121110120311² (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 (121110120371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555060155 + 60555060156.

It is an arithmetic number, because the mean of its divisors is an integer number (60555060156).

Almost surely, 2^121110120311 is an apocalyptic number.

121110120311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110120311 is an equidigital number, since it uses as much as digits as its factorization.

121110120311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121110120311 its reverse (113021011121), we get a palindrome (234131131432).

The spelling of 121110120311 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, three hundred eleven".