1121122201012 has 24 divisors (see below), whose sum is σ = 2161515539232. Its totient is φ = 504555444000.

The previous prime is 1121122201009. The next prime is 1121122201013. The reversal of 1121122201012 is 2101022211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122201013) 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, 126134418 + ... + 126143305.

It is an arithmetic number, because the mean of its divisors is an integer number (90063147468).

Almost surely, 2^{1121122201012} is an apocalyptic number.

It is an amenable number.

1121122201012 is a deficient number, since it is larger than the sum of its proper divisors (1040393338220).

1121122201012 is a wasteful number, since it uses less digits than its factorization.

1121122201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252277839 (or 252277837 counting only the distinct ones).

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

Adding to 1121122201012 its reverse (2101022211211), we get a palindrome (3222144412223).

The spelling of 1121122201012 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, twelve".