1121202022011 has 4 divisors (see below), whose sum is σ = 1494936029352. Its totient is φ = 747468014672.

The previous prime is 1121202022007. The next prime is 1121202022033. The reversal of 1121202022011 is 1102202021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121202022011 - 2² = 1121202022007 is a prime.

It is a super-3 number, since 3×1121202022011³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121202022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186867003666 + ... + 186867003671.

It is an arithmetic number, because the mean of its divisors is an integer number (373734007338).

Almost surely, 2^{1121202022011} is an apocalyptic number.

1121202022011 is a deficient number, since it is larger than the sum of its proper divisors (373734007341).

1121202022011 is an equidigital number, since it uses as much as digits as its factorization.

1121202022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373734007340.

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

Adding to 1121202022011 its reverse (1102202021211), we get a palindrome (2223404043222).

The spelling of 1121202022011 in words is "one trillion, one hundred twenty-one billion, two hundred two million, twenty-two thousand, eleven".