1233221112211 has 8 divisors (see below), whose sum is σ = 1348212924864. Its totient is φ = 1118709433320.

The previous prime is 1233221112127. The next prime is 1233221112217. The reversal of 1233221112211 is 1122111223321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233221112211 - 2¹³ = 1233221104019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233221112217) 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, 120028065 + ... + 120038338.

It is an arithmetic number, because the mean of its divisors is an integer number (168526615608).

Almost surely, 2^{1233221112211} is an apocalyptic number.

1233221112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1233221112211 is a deficient number, since it is larger than the sum of its proper divisors (114991812653).

1233221112211 is a wasteful number, since it uses less digits than its factorization.

1233221112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240066881.

The product of its digits is 288, while the sum is 22.

Adding to 1233221112211 its reverse (1122111223321), we get a palindrome (2355332335532).

The spelling of 1233221112211 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-one million, one hundred twelve thousand, two hundred eleven".