1121122021201 has 12 divisors (see below), whose sum is σ = 1404482532852. Its totient is φ = 887041598688.

The previous prime is 1121122021177. The next prime is 1121122021207. The reversal of 1121122021201 is 1021202211211.

It can be written as a sum of positive squares in 2 ways, for example, as 184920640576 + 936201380625 = 430024^2 + 967575^2 .

It is not a de Polignac number, because 1121122021201 - 2¹⁵ = 1121121988433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121122021207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880000950 + ... + 880002223.

It is an arithmetic number, because the mean of its divisors is an integer number (117040211071).

Almost surely, 2^{1121122021201} is an apocalyptic number.

It is an amenable number.

1121122021201 is a deficient number, since it is larger than the sum of its proper divisors (283360511651).

1121122021201 is a wasteful number, since it uses less digits than its factorization.

1121122021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760003200 (or 1760003193 counting only the distinct ones).

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

Adding to 1121122021201 its reverse (1021202211211), we get a palindrome (2142324232412).

The spelling of 1121122021201 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty-one thousand, two hundred one".