1111210221011 has 8 divisors (see below), whose sum is σ = 1212276466800. Its totient is φ = 1010151831040.

The previous prime is 1111210220999. The next prime is 1111210221013. The reversal of 1111210221011 is 1101220121111.

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

It is not a de Polignac number, because 1111210221011 - 2³⁸ = 836332314067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111210221013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666226 + ... + 2235783.

It is an arithmetic number, because the mean of its divisors is an integer number (151534558350).

Almost surely, 2^{1111210221011} is an apocalyptic number.

1111210221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111210221011 is a deficient number, since it is larger than the sum of its proper divisors (101066245789).

1111210221011 is a wasteful number, since it uses less digits than its factorization.

1111210221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927909.

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

Adding to 1111210221011 its reverse (1101220121111), we get a palindrome (2212430342122).

The spelling of 1111210221011 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, eleven".