3123021121011 has 48 divisors (see below), whose sum is σ = 4957871143680. Its totient is φ = 1878614026560.

The previous prime is 3123021120913. The next prime is 3123021121019. The reversal of 3123021121011 is 1101211203213.

3123021121011 is a `hidden beast` number, since 3 + 1 + 230 + 211 + 210 + 11 = 666.

It is not a de Polignac number, because 3123021121011 - 2¹⁰ = 3123021119987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3123021121019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54230845 + ... + 54288401.

It is an arithmetic number, because the mean of its divisors is an integer number (103288982160).

Almost surely, 2^{3123021121011} is an apocalyptic number.

3123021121011 is a deficient number, since it is larger than the sum of its proper divisors (1834850022669).

3123021121011 is a wasteful number, since it uses less digits than its factorization.

3123021121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61656 (or 61653 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 3123021121011 its reverse (1101211203213), we get a palindrome (4224232324224).

The spelling of 3123021121011 in words is "three trillion, one hundred twenty-three billion, twenty-one million, one hundred twenty-one thousand, eleven".