121011122131 has 2 divisors, whose sum is σ = 121011122132. Its totient is φ = 121011122130.

The previous prime is 121011122047. The next prime is 121011122143. The reversal of 121011122131 is 131221110121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121011122131 - 2²¹ = 121009024979 is a prime.

It is a super-2 number, since 2×121011122131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121011123131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505561065 + 60505561066.

It is an arithmetic number, because the mean of its divisors is an integer number (60505561066).

Almost surely, 2^121011122131 is an apocalyptic number.

121011122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011122131 is an equidigital number, since it uses as much as digits as its factorization.

121011122131 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 16.

Adding to 121011122131 its reverse (131221110121), we get a palindrome (252232232252).

The spelling of 121011122131 in words is "one hundred twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred thirty-one".