1121222111002 has 24 divisors (see below), whose sum is σ = 2001916277856. Its totient is φ = 469348788888.

The previous prime is 1121222110997. The next prime is 1121222111017. The reversal of 1121222111002 is 2001112221211.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133031158 + ... + 133039585.

It is an arithmetic number, because the mean of its divisors is an integer number (83413178244).

Almost surely, 2^{1121222111002} is an apocalyptic number.

1121222111002 is a deficient number, since it is larger than the sum of its proper divisors (880694166854).

1121222111002 is a wasteful number, since it uses less digits than its factorization.

1121222111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266070802 (or 266070795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121222111002 its reverse (2001112221211), we get a palindrome (3122334332213).

The spelling of 1121222111002 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, two".