121131110230103 has 64 divisors (see below), whose sum is σ = 130832581017600. Its totient is φ = 111950811348480.

The previous prime is 121131110230099. The next prime is 121131110230133. The reversal of 121131110230103 is 301032011131121.

It is a cyclic number.

It is not a de Polignac number, because 121131110230103 - 2² = 121131110230099 is a prime.

It is a super-3 number, since 3×121131110230103³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131110230133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21797929601 + ... + 21797935157.

It is an arithmetic number, because the mean of its divisors is an integer number (2044259078400).

Almost surely, 2^{121131110230103} is an apocalyptic number.

121131110230103 is a deficient number, since it is larger than the sum of its proper divisors (9701470787497).

121131110230103 is a wasteful number, since it uses less digits than its factorization.

121131110230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121131110230103 its reverse (301032011131121), we get a palindrome (422163121361224).

The spelling of 121131110230103 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, one hundred ten million, two hundred thirty thousand, one hundred three".