1122121222102 has 16 divisors (see below), whose sum is σ = 1684410976512. Its totient is φ = 560651037120.

The previous prime is 1122121222081. The next prime is 1122121222111. The reversal of 1122121222102 is 2012221212211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122121222102.

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, 17501968 + ... + 17565964.

It is an arithmetic number, because the mean of its divisors is an integer number (105275686032).

Almost surely, 2^{1122121222102} is an apocalyptic number.

1122121222102 is a deficient number, since it is larger than the sum of its proper divisors (562289754410).

1122121222102 is a wasteful number, since it uses less digits than its factorization.

1122121222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70263.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122121222102 its reverse (2012221212211), we get a palindrome (3134342434313).

The spelling of 1122121222102 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred two".