1101322420 has 24 divisors (see below), whose sum is σ = 2523030048. Its totient is φ = 400480800.

The previous prime is 1101322367. The next prime is 1101322423. The reversal of 1101322420 is 242231011.

It is a super-2 number, since 2×1101322420² = 2425822145589312800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101322394 and 1101322403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101322423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502786 + ... + 2503225.

It is an arithmetic number, because the mean of its divisors is an integer number (105126252).

Almost surely, 2^1101322420 is an apocalyptic number.

1101322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101322420 is an abundant number, since it is smaller than the sum of its proper divisors (1421707628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101322420 is a wasteful number, since it uses less digits than its factorization.

1101322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006031 (or 5006029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1101322420 is about 33186.1781469334. The cubic root of 1101322420 is about 1032.6936188476.

Adding to 1101322420 its reverse (242231011), we get a palindrome (1343553431).

It can be divided in two parts, 11013 and 22420, that added together give a palindrome (33433).

The spelling of 1101322420 in words is "one billion, one hundred one million, three hundred twenty-two thousand, four hundred twenty".