111021201201011 has 4 divisors (see below), whose sum is σ = 111029700119472. Its totient is φ = 111012702282552.

The previous prime is 111021201200999. The next prime is 111021201201013. The reversal of 111021201201011 is 110102102120111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111021201201011 - 2³⁰ = 111020127459187 is a prime.

It is a super-2 number, since 2×111021201201011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021201201013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249439636 + ... + 4249465761.

It is an arithmetic number, because the mean of its divisors is an integer number (27757425029868).

Almost surely, 2^{111021201201011} is an apocalyptic number.

111021201201011 is a deficient number, since it is larger than the sum of its proper divisors (8498918461).

111021201201011 is an equidigital number, since it uses as much as digits as its factorization.

111021201201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498918460.

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

Adding to 111021201201011 its reverse (110102102120111), we get a palindrome (221123303321122).

The spelling of 111021201201011 in words is "one hundred eleven trillion, twenty-one billion, two hundred one million, two hundred one thousand, eleven".