11221021002210 has 32 divisors (see below), whose sum is σ = 26962021920960. Its totient is φ = 2988764321088.

The previous prime is 11221021002199. The next prime is 11221021002259. The reversal of 11221021002210 is 1220012012211.

It is a super-2 number, since 2×11221021002210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11221021002210.

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, 219220620 + ... + 219271799.

It is an arithmetic number, because the mean of its divisors is an integer number (842563185030).

Almost surely, 2^{11221021002210} is an apocalyptic number.

11221021002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221021002210 is an abundant number, since it is smaller than the sum of its proper divisors (15741000918750).

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

11221021002210 is a wasteful number, since it uses less digits than its factorization.

11221021002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438493282.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11221021002210 its reverse (1220012012211), we get a palindrome (12441033014421).

The spelling of 11221021002210 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, two thousand, two hundred ten".