1111233021101 has 16 divisors (see below), whose sum is σ = 1337237228160. Its totient is φ = 902074138560.

The previous prime is 1111233021089. The next prime is 1111233021121. The reversal of 1111233021101 is 1011203321111.

It is not a de Polignac number, because 1111233021101 - 2¹⁰ = 1111233020077 is a prime.

It is a super-2 number, since 2×1111233021101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111233021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111233021121) 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, 868586 + ... + 1725371.

It is an arithmetic number, because the mean of its divisors is an integer number (83577326760).

Almost surely, 2^{1111233021101} is an apocalyptic number.

It is an amenable number.

1111233021101 is a deficient number, since it is larger than the sum of its proper divisors (226004207059).

1111233021101 is a wasteful number, since it uses less digits than its factorization.

1111233021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597204.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1111233021101 its reverse (1011203321111), we get a palindrome (2122436342212).

The spelling of 1111233021101 in words is "one trillion, one hundred eleven billion, two hundred thirty-three million, twenty-one thousand, one hundred one".