3222120121111 has 4 divisors (see below), whose sum is σ = 3231681308752. Its totient is φ = 3212558933472.

The previous prime is 3222120121081. The next prime is 3222120121123. The reversal of 3222120121111 is 1111210212223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3222120121111 - 2⁷ = 3222120120983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222120121141) 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, 4780593315 + ... + 4780593988.

It is an arithmetic number, because the mean of its divisors is an integer number (807920327188).

Almost surely, 2^{3222120121111} is an apocalyptic number.

3222120121111 is a deficient number, since it is larger than the sum of its proper divisors (9561187641).

3222120121111 is an equidigital number, since it uses as much as digits as its factorization.

3222120121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561187640.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 3222120121111 its reverse (1111210212223), we get a palindrome (4333330333334).

The spelling of 3222120121111 in words is "three trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred eleven".