121001233013 has 16 divisors (see below), whose sum is σ = 128369306880. Its totient is φ = 113661225216.

The previous prime is 121001233007. The next prime is 121001233057. The reversal of 121001233013 is 310332100121.

It is a cyclic number.

It is not a de Polignac number, because 121001233013 - 2⁴ = 121001232997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121001232982 and 121001233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001230013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22081808 + ... + 22087286.

It is an arithmetic number, because the mean of its divisors is an integer number (8023081680).

Almost surely, 2^121001233013 is an apocalyptic number.

It is an amenable number.

121001233013 is a deficient number, since it is larger than the sum of its proper divisors (7368073867).

121001233013 is a wasteful number, since it uses less digits than its factorization.

121001233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121001233013 its reverse (310332100121), we get a palindrome (431333333134).

The spelling of 121001233013 in words is "one hundred twenty-one billion, one million, two hundred thirty-three thousand, thirteen".