1121222011002 has 16 divisors (see below), whose sum is σ = 2244602305920. Its totient is φ = 373380956352.

The previous prime is 1121222010773. The next prime is 1121222011003. The reversal of 1121222011002 is 2001102221211.

It is not an unprimeable number, because it can be changed into a prime (1121222011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89921743 + ... + 89934210.

It is an arithmetic number, because the mean of its divisors is an integer number (140287644120).

Almost surely, 2^{1121222011002} is an apocalyptic number.

1121222011002 is an abundant number, since it is smaller than the sum of its proper divisors (1123380294918).

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

1121222011002 is a wasteful number, since it uses less digits than its factorization.

1121222011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179856997.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121222011002 its reverse (2001102221211), we get a palindrome (3122324232213).

The spelling of 1121222011002 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two".