1222211102 has 16 divisors (see below), whose sum is σ = 2143946112. Its totient is φ = 511623000.

The previous prime is 1222211093. The next prime is 1222211129. The reversal of 1222211102 is 2011122221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014524 + ... + 1015727.

It is an arithmetic number, because the mean of its divisors is an integer number (133996632).

Almost surely, 2^1222211102 is an apocalyptic number.

1222211102 is a deficient number, since it is larger than the sum of its proper divisors (921735010).

1222211102 is a wasteful number, since it uses less digits than its factorization.

1222211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030303.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1222211102 is about 34960.1358979052. The cubic root of 1222211102 is about 1069.1748673984.

Adding to 1222211102 its reverse (2011122221), we get a palindrome (3233333323).

The spelling of 1222211102 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred two".