1110120021111 has 16 divisors (see below), whose sum is σ = 1514618635904. Its totient is φ = 722851534944.

The previous prime is 1110120021097. The next prime is 1110120021119. The reversal of 1110120021111 is 1111200210111.

It is not a de Polignac number, because 1110120021111 - 2⁶ = 1110120021047 is a prime.

It is a super-2 number, since 2×1110120021111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110120021119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7426965 + ... + 7574961.

It is an arithmetic number, because the mean of its divisors is an integer number (94663664744).

Almost surely, 2^{1110120021111} is an apocalyptic number.

1110120021111 is a deficient number, since it is larger than the sum of its proper divisors (404498614793).

1110120021111 is a wasteful number, since it uses less digits than its factorization.

1110120021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206190.

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

Adding to 1110120021111 its reverse (1111200210111), we get a palindrome (2221320231222).

The spelling of 1110120021111 in words is "one trillion, one hundred ten billion, one hundred twenty million, twenty-one thousand, one hundred eleven".