1121031401203 has 4 divisors (see below), whose sum is σ = 1281178744240. Its totient is φ = 960884058168.

The previous prime is 1121031401131. The next prime is 1121031401207. The reversal of 1121031401203 is 3021041301211.

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 1121031401203 - 2⁹ = 1121031400691 is a prime.

It is a super-3 number, since 3×1121031401203³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121031401207) 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, 80073671508 + ... + 80073671521.

It is an arithmetic number, because the mean of its divisors is an integer number (320294686060).

Almost surely, 2^{1121031401203} is an apocalyptic number.

1121031401203 is a deficient number, since it is larger than the sum of its proper divisors (160147343037).

1121031401203 is an equidigital number, since it uses as much as digits as its factorization.

1121031401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160147343036.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121031401203 its reverse (3021041301211), we get a palindrome (4142072702414).

The spelling of 1121031401203 in words is "one trillion, one hundred twenty-one billion, thirty-one million, four hundred one thousand, two hundred three".