121103001131 has 12 divisors (see below), whose sum is σ = 140882419800. Its totient is φ = 103797046080.

The previous prime is 121103001083. The next prime is 121103001137. The reversal of 121103001131 is 131100301121.

It is a happy number.

It is not a de Polignac number, because 121103001131 - 2⁶ = 121103001067 is a prime.

It is a super-2 number, since 2×121103001131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121103001137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1057811 + ... + 1166691.

It is an arithmetic number, because the mean of its divisors is an integer number (11740201650).

Almost surely, 2^121103001131 is an apocalyptic number.

121103001131 is a deficient number, since it is larger than the sum of its proper divisors (19779418669).

121103001131 is a wasteful number, since it uses less digits than its factorization.

121103001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131594 (or 131587 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121103001131 its reverse (131100301121), we get a palindrome (252203302252).

The spelling of 121103001131 in words is "one hundred twenty-one billion, one hundred three million, one thousand, one hundred thirty-one".