1121020222011 has 8 divisors (see below), whose sum is σ = 1494857863680. Its totient is φ = 747264697512.

The previous prime is 1121020221991. The next prime is 1121020222027. The reversal of 1121020222011 is 1102220201211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121020222011 - 2¹⁵ = 1121020189243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121020222081) 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, 20497431 + ... + 20552048.

It is an arithmetic number, because the mean of its divisors is an integer number (186857232960).

Almost surely, 2^{1121020222011} is an apocalyptic number.

1121020222011 is a deficient number, since it is larger than the sum of its proper divisors (373837641669).

1121020222011 is an equidigital number, since it uses as much as digits as its factorization.

1121020222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41058585.

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

Adding to 1121020222011 its reverse (1102220201211), we get a palindrome (2223240423222).

The spelling of 1121020222011 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, eleven".