1120220121111 has 32 divisors (see below), whose sum is σ = 1918236472320. Its totient is φ = 565194668544.

The previous prime is 1120220121091. The next prime is 1120220121127. The reversal of 1120220121111 is 1111210220211.

It is a happy number.

It is not a de Polignac number, because 1120220121111 - 2⁹ = 1120220120599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120220121151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89197426 + ... + 89209983.

It is an arithmetic number, because the mean of its divisors is an integer number (59944889760).

Almost surely, 2^{1120220121111} is an apocalyptic number.

1120220121111 is a deficient number, since it is larger than the sum of its proper divisors (798016351209).

1120220121111 is a wasteful number, since it uses less digits than its factorization.

1120220121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178407455.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1120220121111 its reverse (1111210220211), we get a palindrome (2231430341322).

The spelling of 1120220121111 in words is "one trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred eleven".