11221120020010 has 16 divisors (see below), whose sum is σ = 21386134626696. Its totient is φ = 4224421654528.

The previous prime is 11221120019947. The next prime is 11221120020029. The reversal of 11221120020010 is 1002002112211.

It can be written as a sum of positive squares in 4 ways, for example, as 6861722621121 + 4359397398889 = 2619489^2 + 2087917^2 .

It is a super-3 number, since 3×11221120020010³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33003294007 + ... + 33003294346.

Almost surely, 2^{11221120020010} is an apocalyptic number.

11221120020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221120020010 is a deficient number, since it is larger than the sum of its proper divisors (10165014606686).

11221120020010 is a wasteful number, since it uses less digits than its factorization.

11221120020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66006588377.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221120020010 its reverse (1002002112211), we get a palindrome (12223122132221).

The spelling of 11221120020010 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, ten".