1120421142203 has 16 divisors (see below), whose sum is σ = 1246112561376. Its totient is φ = 998726077440.

The previous prime is 1120421142199. The next prime is 1120421142233. The reversal of 1120421142203 is 3022411240211.

It is a cyclic number.

It is not a de Polignac number, because 1120421142203 - 2² = 1120421142199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120421142233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344651 + ... + 1536107.

It is an arithmetic number, because the mean of its divisors is an integer number (77882035086).

Almost surely, 2^{1120421142203} is an apocalyptic number.

1120421142203 is a deficient number, since it is larger than the sum of its proper divisors (125691419173).

1120421142203 is a wasteful number, since it uses less digits than its factorization.

1120421142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193134.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1120421142203 its reverse (3022411240211), we get a palindrome (4142832382414).

The spelling of 1120421142203 in words is "one trillion, one hundred twenty billion, four hundred twenty-one million, one hundred forty-two thousand, two hundred three".