1100211320 has 32 divisors (see below), whose sum is σ = 2665897920. Its totient is φ = 406231680.

The previous prime is 1100211293. The next prime is 1100211323. The reversal of 1100211320 is 231120011.

It is a super-2 number, since 2×1100211320² = 2420929897312284800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057376 + ... + 1058415.

It is an arithmetic number, because the mean of its divisors is an integer number (83309310).

Almost surely, 2^1100211320 is an apocalyptic number.

1100211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100211320 is an abundant number, since it is smaller than the sum of its proper divisors (1565686600).

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

1100211320 is a wasteful number, since it uses less digits than its factorization.

1100211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115815 (or 2115811 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100211320 is about 33169.4335194317. The cubic root of 1100211320 is about 1032.3462146886.

Adding to 1100211320 its reverse (231120011), we get a palindrome (1331331331).

It can be divided in two parts, 11002 and 11320, that added together give a palindrome (22322).

The spelling of 1100211320 in words is "one billion, one hundred million, two hundred eleven thousand, three hundred twenty".