121311351033 has 8 divisors (see below), whose sum is σ = 162324086496. Its totient is φ = 80586424800.

The previous prime is 121311351023. The next prime is 121311351061. The reversal of 121311351033 is 330153113121.

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 121311351033 - 2⁵ = 121311351001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121311350994 and 121311351012.

It is not an unprimeable number, because it can be changed into a prime (121311351023) 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, 71951323 + ... + 71953008.

It is an arithmetic number, because the mean of its divisors is an integer number (20290510812).

Almost surely, 2^121311351033 is an apocalyptic number.

It is an amenable number.

121311351033 is a deficient number, since it is larger than the sum of its proper divisors (41012735463).

121311351033 is a wasteful number, since it uses less digits than its factorization.

121311351033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143904615.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 121311351033 its reverse (330153113121), we get a palindrome (451464464154).

The spelling of 121311351033 in words is "one hundred twenty-one billion, three hundred eleven million, three hundred fifty-one thousand, thirty-three".