1111020201321 has 8 divisors (see below), whose sum is σ = 1482498905664. Its totient is φ = 740110815600.

The previous prime is 1111020201299. The next prime is 1111020201329. The reversal of 1111020201321 is 1231020201111.

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

It is not a de Polignac number, because 1111020201321 - 2²¹ = 1111018104169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111020201321.

It is not an unprimeable number, because it can be changed into a prime (1111020201329) 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, 142325101 + ... + 142332906.

It is an arithmetic number, because the mean of its divisors is an integer number (185312363208).

Almost surely, 2^{1111020201321} is an apocalyptic number.

It is an amenable number.

1111020201321 is a deficient number, since it is larger than the sum of its proper divisors (371478704343).

1111020201321 is a wasteful number, since it uses less digits than its factorization.

1111020201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284659311.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1111020201321 its reverse (1231020201111), we get a palindrome (2342040402432).

The spelling of 1111020201321 in words is "one trillion, one hundred eleven billion, twenty million, two hundred one thousand, three hundred twenty-one".