1221102214233 has 16 divisors (see below), whose sum is σ = 1793734310592. Its totient is φ = 732734600000.

The previous prime is 1221102214231. The next prime is 1221102214349. The reversal of 1221102214233 is 3324122011221.

It is a cyclic number.

It is not a de Polignac number, because 1221102214233 - 2¹ = 1221102214231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1221102214231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183180318 + ... + 183186983.

It is an arithmetic number, because the mean of its divisors is an integer number (112108394412).

Almost surely, 2^{1221102214233} is an apocalyptic number.

It is an amenable number.

1221102214233 is a deficient number, since it is larger than the sum of its proper divisors (572632096359).

1221102214233 is a wasteful number, since it uses less digits than its factorization.

1221102214233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366367416.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1221102214233 its reverse (3324122011221), we get a palindrome (4545224225454).

The spelling of 1221102214233 in words is "one trillion, two hundred twenty-one billion, one hundred two million, two hundred fourteen thousand, two hundred thirty-three".