121011102211031 has 2 divisors, whose sum is σ = 121011102211032. Its totient is φ = 121011102211030.

The previous prime is 121011102210983. The next prime is 121011102211141. The reversal of 121011102211031 is 130112201110121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121011102211031 is a prime.

It is a super-2 number, since 2×121011102211031² (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 (121011102211931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505551105515 + 60505551105516.

It is an arithmetic number, because the mean of its divisors is an integer number (60505551105516).

Almost surely, 2^{121011102211031} is an apocalyptic number.

121011102211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011102211031 is an equidigital number, since it uses as much as digits as its factorization.

121011102211031 is an evil number, because the sum of its binary digits is even.

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

Adding to 121011102211031 its reverse (130112201110121), we get a palindrome (251123303321152).

The spelling of 121011102211031 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, two hundred eleven thousand, thirty-one".