121031233213330 has 24 divisors (see below), whose sum is σ = 239461795302156. Its totient is φ = 44011357531680.

The previous prime is 121031233213309. The next prime is 121031233213333. The reversal of 121031233213330 is 33312332130121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111457153384929 + 9574079828401 = 10557327^2 + 3094201^2 .

It is not an unprimeable number, because it can be changed into a prime (121031233213333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50012905077 + ... + 50012907496.

Almost surely, 2^{121031233213330} is an apocalyptic number.

121031233213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121031233213330 is a deficient number, since it is larger than the sum of its proper divisors (118430562088826).

121031233213330 is a wasteful number, since it uses less digits than its factorization.

121031233213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100025812602 (or 100025812591 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 121031233213330 its reverse (33312332130121), we get a palindrome (154343565343451).

The spelling of 121031233213330 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred thirty".