1121220401332 has 24 divisors (see below), whose sum is σ = 1987902120960. Its totient is φ = 553255004640.

The previous prime is 1121220401317. The next prime is 1121220401351. The reversal of 1121220401332 is 2331040221211.

It is a super-2 number, since 2×1121220401332² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152068 + ... + 1505179.

It is an arithmetic number, because the mean of its divisors is an integer number (82829255040).

Almost surely, 2^{1121220401332} is an apocalyptic number.

It is an amenable number.

1121220401332 is a deficient number, since it is larger than the sum of its proper divisors (866681719628).

1121220401332 is a wasteful number, since it uses less digits than its factorization.

1121220401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659471 (or 1659469 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1121220401332 its reverse (2331040221211), we get a palindrome (3452260622543).

The spelling of 1121220401332 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, four hundred one thousand, three hundred thirty-two".