4220333402121 has 32 divisors (see below), whose sum is σ = 6407772672000. Its totient is φ = 2744471690064.

The previous prime is 4220333402113. The next prime is 4220333402123. The reversal of 4220333402121 is 1212043330224.

4220333402121 is a `hidden beast` number, since 4 + 2 + 203 + 33 + 402 + 1 + 21 = 666.

4220333402121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4220333402121 - 2³ = 4220333402113 is a prime.

It is a super-2 number, since 2×4220333402121² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4220333402123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11742181 + ... + 12096258.

It is an arithmetic number, because the mean of its divisors is an integer number (200242896000).

Almost surely, 2^{4220333402121} is an apocalyptic number.

It is an amenable number.

4220333402121 is a deficient number, since it is larger than the sum of its proper divisors (2187439269879).

4220333402121 is a wasteful number, since it uses less digits than its factorization.

4220333402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23838610 (or 23838604 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4220333402121 its reverse (1212043330224), we get a palindrome (5432376732345).

The spelling of 4220333402121 in words is "four trillion, two hundred twenty billion, three hundred thirty-three million, four hundred two thousand, one hundred twenty-one".