1121222202102 has 16 divisors (see below), whose sum is σ = 2491604893680. Its totient is φ = 373740734016.

The previous prime is 1121222202101. The next prime is 1121222202103. The reversal of 1121222202102 is 2012022221211.

It is a happy number.

1121222202102 is a `hidden beast` number, since 112 + 122 + 220 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1121222202101) and next prime (1121222202103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10381687003 + ... + 10381687110.

It is an arithmetic number, because the mean of its divisors is an integer number (155725305855).

Almost surely, 2^{1121222202102} is an apocalyptic number.

1121222202102 is an abundant number, since it is smaller than the sum of its proper divisors (1370382691578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121222202102 is a wasteful number, since it uses less digits than its factorization.

1121222202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763374124 (or 20763374118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1121222202102 its reverse (2012022221211), we get a palindrome (3133244423313).

The spelling of 1121222202102 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, one hundred two".