1121020220222 has 24 divisors (see below), whose sum is σ = 1956599075376. Its totient is φ = 480306280608.

The previous prime is 1121020220219. The next prime is 1121020220251. The reversal of 1121020220222 is 2220220201211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121020220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1197218 + ... + 1917125.

It is an arithmetic number, because the mean of its divisors is an integer number (81524961474).

Almost surely, 2^{1121020220222} is an apocalyptic number.

1121020220222 is a deficient number, since it is larger than the sum of its proper divisors (835578855154).

1121020220222 is a wasteful number, since it uses less digits than its factorization.

1121020220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118032 (or 3118025 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1121020220222 its reverse (2220220201211), we get a palindrome (3341240421433).

The spelling of 1121020220222 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred twenty thousand, two hundred twenty-two".