1111020110201 has 4 divisors (see below), whose sum is σ = 1111046050404. Its totient is φ = 1110994170000.

The previous prime is 1111020110197. The next prime is 1111020110219. The reversal of 1111020110201 is 1020110201111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 605321344576 + 505698765625 = 778024^2 + 711125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111020110201 - 2² = 1111020110197 is a prime.

It is a super-3 number, since 3×1111020110201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111020110401) 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, 12905750 + ... + 12991551.

It is an arithmetic number, because the mean of its divisors is an integer number (277761512601).

Almost surely, 2^{1111020110201} is an apocalyptic number.

It is an amenable number.

1111020110201 is a deficient number, since it is larger than the sum of its proper divisors (25940203).

1111020110201 is an equidigital number, since it uses as much as digits as its factorization.

1111020110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25940202.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111020110201 its reverse (1020110201111), we get a palindrome (2131130311312).

It can be divided in two parts, 1111020 and 110201, that added together give a palindrome (1221221).

The spelling of 1111020110201 in words is "one trillion, one hundred eleven billion, twenty million, one hundred ten thousand, two hundred one".