121011033020311 has 4 divisors (see below), whose sum is σ = 138298323451792. Its totient is φ = 103723742588832.

The previous prime is 121011033020287. The next prime is 121011033020329. The reversal of 121011033020311 is 113020330110121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121011033020311 - 2⁷ = 121011033020183 is a prime.

It is a super-2 number, since 2×121011033020311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011033020341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8643645215730 + ... + 8643645215743.

It is an arithmetic number, because the mean of its divisors is an integer number (34574580862948).

Almost surely, 2^{121011033020311} is an apocalyptic number.

121011033020311 is a deficient number, since it is larger than the sum of its proper divisors (17287290431481).

121011033020311 is an equidigital number, since it uses as much as digits as its factorization.

121011033020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17287290431480.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121011033020311 its reverse (113020330110121), we get a palindrome (234031363130432).

The spelling of 121011033020311 in words is "one hundred twenty-one trillion, eleven billion, thirty-three million, twenty thousand, three hundred eleven".