1121223220402 has 32 divisors (see below), whose sum is σ = 1753896748032. Its totient is φ = 537189592464.

The previous prime is 1121223220339. The next prime is 1121223220427. The reversal of 1121223220402 is 2040223221211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356323 + ... + 1539289.

It is an arithmetic number, because the mean of its divisors is an integer number (54809273376).

Almost surely, 2^{1121223220402} is an apocalyptic number.

1121223220402 is a deficient number, since it is larger than the sum of its proper divisors (632673527630).

1121223220402 is a wasteful number, since it uses less digits than its factorization.

1121223220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183222.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1121223220402 its reverse (2040223221211), we get a palindrome (3161446441613).

The spelling of 1121223220402 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred twenty thousand, four hundred two".