233013120121 has 4 divisors (see below), whose sum is σ = 236490927952. Its totient is φ = 229535312292.

The previous prime is 233013120107. The next prime is 233013120127. The reversal of 233013120121 is 121021310332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233013120121 - 2⁵ = 233013120089 is a prime.

It is a super-2 number, since 2×233013120121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233013120127) 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, 1738903815 + ... + 1738903948.

It is an arithmetic number, because the mean of its divisors is an integer number (59122731988).

Almost surely, 2^233013120121 is an apocalyptic number.

It is an amenable number.

233013120121 is a deficient number, since it is larger than the sum of its proper divisors (3477807831).

233013120121 is an equidigital number, since it uses as much as digits as its factorization.

233013120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477807830.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 233013120121 its reverse (121021310332), we get a palindrome (354034430453).

The spelling of 233013120121 in words is "two hundred thirty-three billion, thirteen million, one hundred twenty thousand, one hundred twenty-one".