121033100331011 has 4 divisors (see below), whose sum is σ = 132036109452024. Its totient is φ = 110030091210000.

The previous prime is 121033100331001. The next prime is 121033100331019. The reversal of 121033100331011 is 110133001330121.

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 121033100331011 - 2¹⁰ = 121033100329987 is a prime.

It is a super-2 number, since 2×121033100331011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121033100331019) 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, 5501504560490 + ... + 5501504560511.

It is an arithmetic number, because the mean of its divisors is an integer number (33009027363006).

Almost surely, 2^{121033100331011} is an apocalyptic number.

121033100331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121033100331011 is a deficient number, since it is larger than the sum of its proper divisors (11003009121013).

121033100331011 is a wasteful number, since it uses less digits than its factorization.

121033100331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003009121012.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 121033100331011 its reverse (110133001330121), we get a palindrome (231166101661132).

The spelling of 121033100331011 in words is "one hundred twenty-one trillion, thirty-three billion, one hundred million, three hundred thirty-one thousand, eleven".