1222211002102 has 32 divisors (see below), whose sum is σ = 1856433676032. Its totient is φ = 603435634464.

The previous prime is 1222211002069. The next prime is 1222211002109. The reversal of 1222211002102 is 2012001122221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211002109) 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, 204141153 + ... + 204147139.

It is an arithmetic number, because the mean of its divisors is an integer number (58013552376).

Almost surely, 2^{1222211002102} is an apocalyptic number.

1222211002102 is a deficient number, since it is larger than the sum of its proper divisors (634222673930).

1222211002102 is a wasteful number, since it uses less digits than its factorization.

1222211002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222211002102 its reverse (2012001122221), we get a palindrome (3234212124323).

The spelling of 1222211002102 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, two thousand, one hundred two".