1111122021110 has 8 divisors (see below), whose sum is σ = 2000019638016. Its totient is φ = 444448808440.

The previous prime is 1111122021091. The next prime is 1111122021127. The reversal of 1111122021110 is 111202211111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55556101046 + ... + 55556101065.

It is an arithmetic number, because the mean of its divisors is an integer number (250002454752).

Almost surely, 2^{1111122021110} is an apocalyptic number.

1111122021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111122021110 is a deficient number, since it is larger than the sum of its proper divisors (888897616906).

1111122021110 is a wasteful number, since it uses less digits than its factorization.

1111122021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111112202118.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111122021110 its reverse (111202211111), we get a palindrome (1222324232221).

The spelling of 1111122021110 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred ten".