1120521213401 has 4 divisors (see below), whose sum is σ = 1186434225972. Its totient is φ = 1054608200832.

The previous prime is 1120521213397. The next prime is 1120521213463. The reversal of 1120521213401 is 1043121250211.

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 411523533001 + 708997680400 = 641501^2 + 842020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120521213401 - 2² = 1120521213397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120521216401) 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, 32956506260 + ... + 32956506293.

It is an arithmetic number, because the mean of its divisors is an integer number (296608556493).

Almost surely, 2^{1120521213401} is an apocalyptic number.

It is an amenable number.

1120521213401 is a deficient number, since it is larger than the sum of its proper divisors (65913012571).

1120521213401 is an equidigital number, since it uses as much as digits as its factorization.

1120521213401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65913012570.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1120521213401 its reverse (1043121250211), we get a palindrome (2163642463612).

The spelling of 1120521213401 in words is "one trillion, one hundred twenty billion, five hundred twenty-one million, two hundred thirteen thousand, four hundred one".