1122222221201 has 24 divisors (see below), whose sum is σ = 1183813710912. Its totient is φ = 1061822696000.

The previous prime is 1122222221179. The next prime is 1122222221207. The reversal of 1122222221201 is 1021222222211.

It is a de Polignac number, because none of the positive numbers 2^k-1122222221201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122222221207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453055775 + ... + 453058251.

It is an arithmetic number, because the mean of its divisors is an integer number (49325571288).

Almost surely, 2^{1122222221201} is an apocalyptic number.

It is an amenable number.

1122222221201 is a deficient number, since it is larger than the sum of its proper divisors (61591489711).

1122222221201 is a wasteful number, since it uses less digits than its factorization.

1122222221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1122222221201 its reverse (1021222222211), we get a palindrome (2143444443412).

The spelling of 1122222221201 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred one".