1211100022204 has 12 divisors (see below), whose sum is σ = 2119560428104. Its totient is φ = 605511328464.

The previous prime is 1211100022193. The next prime is 1211100022211. The reversal of 1211100022204 is 4022200011121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9600159 + ... + 9725494.

Almost surely, 2^{1211100022204} is an apocalyptic number.

It is an amenable number.

1211100022204 is a deficient number, since it is larger than the sum of its proper divisors (908460405900).

1211100022204 is a wasteful number, since it uses less digits than its factorization.

1211100022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19341324 (or 19341322 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1211100022204 its reverse (4022200011121), we get a palindrome (5233300033325).

The spelling of 1211100022204 in words is "one trillion, two hundred eleven billion, one hundred million, twenty-two thousand, two hundred four".