121220121222333 has 24 divisors (see below), whose sum is σ = 206564548609536. Its totient is φ = 67034168416800.

The previous prime is 121220121222329. The next prime is 121220121222373. The reversal of 121220121222333 is 333222121022121.

121220121222333 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 201 + 2 + 122 + 2 + 333 = 666.

It is not a de Polignac number, because 121220121222333 - 2² = 121220121222329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121220121222297 and 121220121222306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220121222313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31034335278 + ... + 31034339183.

It is an arithmetic number, because the mean of its divisors is an integer number (8606856192064).

Almost surely, 2^{121220121222333} is an apocalyptic number.

It is an amenable number.

121220121222333 is a deficient number, since it is larger than the sum of its proper divisors (85344427387203).

121220121222333 is a wasteful number, since it uses less digits than its factorization.

121220121222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62068674505 (or 62068674502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121220121222333 its reverse (333222121022121), we get a palindrome (454442242244454).

The spelling of 121220121222333 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred thirty-three".