121011102112031 has 2 divisors, whose sum is σ = 121011102112032. Its totient is φ = 121011102112030.

The previous prime is 121011102112013. The next prime is 121011102112051. The reversal of 121011102112031 is 130211201110121.

Together with previous prime (121011102112013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121011102112031 - 2⁶ = 121011102111967 is a prime.

It is a super-2 number, since 2×121011102112031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011102112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505551056015 + 60505551056016.

It is an arithmetic number, because the mean of its divisors is an integer number (60505551056016).

Almost surely, 2^{121011102112031} is an apocalyptic number.

121011102112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011102112031 is an equidigital number, since it uses as much as digits as its factorization.

121011102112031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 121011102112031 its reverse (130211201110121), we get a palindrome (251222303222152).

The spelling of 121011102112031 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, one hundred twelve thousand, thirty-one".