1121040403201 has 4 divisors (see below), whose sum is σ = 1121042523312. Its totient is φ = 1121038283092.

The previous prime is 1121040403199. The next prime is 1121040403207. The reversal of 1121040403201 is 1023040401211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1121040403201 - 2¹ = 1121040403199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121040403207) 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, 452430 + ... + 1564216.

It is an arithmetic number, because the mean of its divisors is an integer number (280260630828).

Almost surely, 2^{1121040403201} is an apocalyptic number.

It is an amenable number.

1121040403201 is a deficient number, since it is larger than the sum of its proper divisors (2120111).

1121040403201 is a wasteful number, since it uses less digits than its factorization.

1121040403201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120110.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121040403201 its reverse (1023040401211), we get a palindrome (2144080804412).

The spelling of 1121040403201 in words is "one trillion, one hundred twenty-one billion, forty million, four hundred three thousand, two hundred one".