121020113040311 has 2 divisors, whose sum is σ = 121020113040312. Its totient is φ = 121020113040310.

The previous prime is 121020113040287. The next prime is 121020113040317. The reversal of 121020113040311 is 113040311020121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121020113040311 - 2⁶ = 121020113040247 is a prime.

It is a super-3 number, since 3×121020113040311³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020113040317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510056520155 + 60510056520156.

It is an arithmetic number, because the mean of its divisors is an integer number (60510056520156).

Almost surely, 2^{121020113040311} is an apocalyptic number.

121020113040311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020113040311 is an equidigital number, since it uses as much as digits as its factorization.

121020113040311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121020113040311 its reverse (113040311020121), we get a palindrome (234060424060432).

The spelling of 121020113040311 in words is "one hundred twenty-one trillion, twenty billion, one hundred thirteen million, forty thousand, three hundred eleven".