1220222211203 has 16 divisors (see below), whose sum is σ = 1279011142656. Its totient is φ = 1162664759520.

The previous prime is 1220222211199. The next prime is 1220222211209. The reversal of 1220222211203 is 3021122220221.

It is a cyclic number.

It is not a de Polignac number, because 1220222211203 - 2² = 1220222211199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220222211209) 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, 4121000 + ... + 4407162.

It is an arithmetic number, because the mean of its divisors is an integer number (79938196416).

Almost surely, 2^{1220222211203} is an apocalyptic number.

1220222211203 is a deficient number, since it is larger than the sum of its proper divisors (58788931453).

1220222211203 is a wasteful number, since it uses less digits than its factorization.

1220222211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288314.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1220222211203 its reverse (3021122220221), we get a palindrome (4241344431424).

The spelling of 1220222211203 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred eleven thousand, two hundred three".