11022221021000 has 128 divisors (see below), whose sum is σ = 29478348956160. Its totient is φ = 3778818912000.

The previous prime is 11022221020933. The next prime is 11022221021029. The reversal of 11022221021000 is 12012222011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149350109 + ... + 149423891.

It is an arithmetic number, because the mean of its divisors is an integer number (230299601220).

Almost surely, 2^{11022221021000} is an apocalyptic number.

11022221021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022221021000 is an abundant number, since it is smaller than the sum of its proper divisors (18456127935160).

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

11022221021000 is a wasteful number, since it uses less digits than its factorization.

11022221021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95152 (or 95138 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11022221021000 its reverse (12012222011), we get a palindrome (11034233243011).

The spelling of 11022221021000 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, twenty-one thousand".