121123131033 has 8 divisors (see below), whose sum is σ = 162093440896. Its totient is φ = 80450787600.

The previous prime is 121123130993. The next prime is 121123131079. The reversal of 121123131033 is 330131321121.

It is a happy number.

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

It is not a de Polignac number, because 121123131033 - 2⁹ = 121123130521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123131133) 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, 74490658 + ... + 74492283.

It is an arithmetic number, because the mean of its divisors is an integer number (20261680112).

Almost surely, 2^121123131033 is an apocalyptic number.

It is an amenable number.

121123131033 is a deficient number, since it is larger than the sum of its proper divisors (40970309863).

121123131033 is a wasteful number, since it uses less digits than its factorization.

121123131033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148983215.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121123131033 its reverse (330131321121), we get a palindrome (451254452154).

The spelling of 121123131033 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-one thousand, thirty-three".