1111020201111 has 32 divisors (see below), whose sum is σ = 1539547200000. Its totient is φ = 712092988800.

The previous prime is 1111020201077. The next prime is 1111020201119.

1111020201111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1111020201111 - 2²¹ = 1111018103959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020201119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5494990 + ... + 5693588.

It is an arithmetic number, because the mean of its divisors is an integer number (48110850000).

Almost surely, 2^{1111020201111} is an apocalyptic number.

1111020201111 is a deficient number, since it is larger than the sum of its proper divisors (428526998889).

1111020201111 is a wasteful number, since it uses less digits than its factorization.

1111020201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199239.

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

It can be divided in two parts, 1111020 and 201111, that added together give a palindrome (1312131).

The spelling of 1111020201111 in words is "one trillion, one hundred eleven billion, twenty million, two hundred one thousand, one hundred eleven".