121020332311 has 2 divisors, whose sum is σ = 121020332312. Its totient is φ = 121020332310.

The previous prime is 121020332299. The next prime is 121020332353. The reversal of 121020332311 is 113233020121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121020332311 - 2²¹ = 121018235159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020339311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510166155 + 60510166156.

It is an arithmetic number, because the mean of its divisors is an integer number (60510166156).

Almost surely, 2^121020332311 is an apocalyptic number.

121020332311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020332311 is an equidigital number, since it uses as much as digits as its factorization.

121020332311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121020332311 its reverse (113233020121), we get a palindrome (234253352432).

The spelling of 121020332311 in words is "one hundred twenty-one billion, twenty million, three hundred thirty-two thousand, three hundred eleven".