3011101213121 has 4 divisors (see below), whose sum is σ = 3011110029252. Its totient is φ = 3011092396992.

The previous prime is 3011101213097. The next prime is 3011101213147. The reversal of 3011101213121 is 1213121011103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1760103702721 + 1250997510400 = 1326689^2 + 1118480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011101213121 - 2³⁸ = 2736223306177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3011101213121.

It is not an unprimeable number, because it can be changed into a prime (3011101713121) 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, 3874196 + ... + 4586021.

It is an arithmetic number, because the mean of its divisors is an integer number (752777507313).

Almost surely, 2^{3011101213121} is an apocalyptic number.

It is an amenable number.

3011101213121 is a deficient number, since it is larger than the sum of its proper divisors (8816131).

3011101213121 is an equidigital number, since it uses as much as digits as its factorization.

3011101213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816130.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 3011101213121 its reverse (1213121011103), we get a palindrome (4224222224224).

The spelling of 3011101213121 in words is "three trillion, eleven billion, one hundred one million, two hundred thirteen thousand, one hundred twenty-one".