11221001222010 has 64 divisors (see below), whose sum is σ = 27629212440960. Its totient is φ = 2915519129600.

The previous prime is 11221001221999. The next prime is 11221001222023. The reversal of 11221001222010 is 1022210012211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27851091 + ... + 28251110.

It is an arithmetic number, because the mean of its divisors is an integer number (431706444390).

Almost surely, 2^{11221001222010} is an apocalyptic number.

11221001222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221001222010 is an abundant number, since it is smaller than the sum of its proper divisors (16408211218950).

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

11221001222010 is a wasteful number, since it uses less digits than its factorization.

11221001222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56102383.

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

Adding to 11221001222010 its reverse (1022210012211), we get a palindrome (12243211234221).

The spelling of 11221001222010 in words is "eleven trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, ten".