1122020121011 has 4 divisors (see below), whose sum is σ = 1122026733000. Its totient is φ = 1122013509024.

The previous prime is 1122020120959. The next prime is 1122020121031. The reversal of 1122020121011 is 1101210202211.

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 1122020121011 - 2¹⁸ = 1122019858867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122020121031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044561 + ... + 3393138.

It is an arithmetic number, because the mean of its divisors is an integer number (280506683250).

Almost surely, 2^{1122020121011} is an apocalyptic number.

1122020121011 is a deficient number, since it is larger than the sum of its proper divisors (6611989).

1122020121011 is an equidigital number, since it uses as much as digits as its factorization.

1122020121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611988.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122020121011 its reverse (1101210202211), we get a palindrome (2223230323222).

The spelling of 1122020121011 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, eleven".