1211000422224 has 80 divisors (see below), whose sum is σ = 3205139482944. Its totient is φ = 393769804800.

The previous prime is 1211000422223. The next prime is 1211000422267. The reversal of 1211000422224 is 4222240001121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211000422224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211000422223) 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, 16816054 + ... + 16887914.

Almost surely, 2^{1211000422224} is an apocalyptic number.

It is an amenable number.

1211000422224 is an abundant number, since it is smaller than the sum of its proper divisors (1994139060720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211000422224 is a wasteful number, since it uses less digits than its factorization.

1211000422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80476 (or 80470 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1211000422224 its reverse (4222240001121), we get a palindrome (5433240423345).

The spelling of 1211000422224 in words is "one trillion, two hundred eleven billion, four hundred twenty-two thousand, two hundred twenty-four".