103121011311 has 8 divisors (see below), whose sum is σ = 137590904880. Its totient is φ = 68699229312.

The previous prime is 103121011307. The next prime is 103121011339. The reversal of 103121011311 is 113110121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103121011311 - 2² = 103121011307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121011351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12022890 + ... + 12031463.

It is an arithmetic number, because the mean of its divisors is an integer number (17198863110).

Almost surely, 2^103121011311 is an apocalyptic number.

103121011311 is a deficient number, since it is larger than the sum of its proper divisors (34469893569).

103121011311 is a wasteful number, since it uses less digits than its factorization.

103121011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24055785.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 103121011311 its reverse (113110121301), we get a palindrome (216231132612).

The spelling of 103121011311 in words is "one hundred three billion, one hundred twenty-one million, eleven thousand, three hundred eleven".