1120101021111 has 4 divisors (see below), whose sum is σ = 1493468028152. Its totient is φ = 746734014072.

The previous prime is 1120101020989. The next prime is 1120101021173. The reversal of 1120101021111 is 1111201010211.

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

It is not a de Polignac number, because 1120101021111 - 2¹⁸ = 1120100758967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120101021211) 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, 186683503516 + ... + 186683503521.

It is an arithmetic number, because the mean of its divisors is an integer number (373367007038).

Almost surely, 2^{1120101021111} is an apocalyptic number.

1120101021111 is a deficient number, since it is larger than the sum of its proper divisors (373367007041).

1120101021111 is an equidigital number, since it uses as much as digits as its factorization.

1120101021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373367007040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1120101021111 its reverse (1111201010211), we get a palindrome (2231302031322).

It can be divided in two parts, 11201010211 and 11, that multiplied together give a palindrome (123211112321).

The spelling of 1120101021111 in words is "one trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, one hundred eleven".