11012021221100 has 18 divisors (see below), whose sum is σ = 23896086050004. Its totient is φ = 4404808488400.

The previous prime is 11012021221087. The next prime is 11012021221109. The reversal of 11012021221100 is 112212021011.

It is a super-2 number, since 2×11012021221100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012021221109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55060106006 + ... + 55060106205.

Almost surely, 2^{11012021221100} is an apocalyptic number.

11012021221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012021221100 is an abundant number, since it is smaller than the sum of its proper divisors (12884064828904).

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

11012021221100 is a wasteful number, since it uses less digits than its factorization.

11012021221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110120212225 (or 110120212218 counting only the distinct ones).

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

Adding to 11012021221100 its reverse (112212021011), we get a palindrome (11124233242111).

The spelling of 11012021221100 in words is "eleven trillion, twelve billion, twenty-one million, two hundred twenty-one thousand, one hundred".