1120121220111 has 16 divisors (see below), whose sum is σ = 1545768684000. Its totient is φ = 720636414848.

The previous prime is 1120121220107. The next prime is 1120121220131. The reversal of 1120121220111 is 1110221210211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120121220111 - 2² = 1120121220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120121220131) 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 15 ways as a sum of consecutive naturals, for example, 3049836 + ... + 3397313.

It is an arithmetic number, because the mean of its divisors is an integer number (96610542750).

Almost surely, 2^{1120121220111} is an apocalyptic number.

1120121220111 is a deficient number, since it is larger than the sum of its proper divisors (425647463889).

1120121220111 is a wasteful number, since it uses less digits than its factorization.

1120121220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449178.

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

Adding to 1120121220111 its reverse (1110221210211), we get a palindrome (2230342430322).

The spelling of 1120121220111 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".