11122011221000 has 64 divisors (see below), whose sum is σ = 26056977972480. Its totient is φ = 4443424708800.

The previous prime is 11122011220993. The next prime is 11122011221051. The reversal of 11122011221000 is 12211022111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5897312 + ... + 7551311.

It is an arithmetic number, because the mean of its divisors is an integer number (407140280820).

Almost surely, 2^{11122011221000} is an apocalyptic number.

11122011221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122011221000 is an abundant number, since it is smaller than the sum of its proper divisors (14934966751480).

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

11122011221000 is a wasteful number, since it uses less digits than its factorization.

11122011221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449471 (or 13449457 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11122011221000 its reverse (12211022111), we get a palindrome (11134222243111).

The spelling of 11122011221000 in words is "eleven trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand".