1103121130312 has 16 divisors (see below), whose sum is σ = 2073510110700. Its totient is φ = 550185100800.

The previous prime is 1103121130303. The next prime is 1103121130313. The reversal of 1103121130312 is 2130311213011.

It can be written as a sum of positive squares in 2 ways, for example, as 1102487400036 + 633730276 = 1049994^2 + 25174^2 .

It is a super-3 number, since 3×1103121130312³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103121130312.

It is not an unprimeable number, because it can be changed into a prime (1103121130313) 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, 171929637 + ... + 171936052.

Almost surely, 2^{1103121130312} is an apocalyptic number.

It is an amenable number.

1103121130312 is a deficient number, since it is larger than the sum of its proper divisors (970388980388).

1103121130312 is a wasteful number, since it uses less digits than its factorization.

1103121130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343866096 (or 343866092 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1103121130312 its reverse (2130311213011), we get a palindrome (3233432343323).

The spelling of 1103121130312 in words is "one trillion, one hundred three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twelve".