11220111011210 has 8 divisors (see below), whose sum is σ = 20196199820196. Its totient is φ = 4488044404480.

The previous prime is 11220111011209. The next prime is 11220111011269. The reversal of 11220111011210 is 1211011102211.

It can be written as a sum of positive squares in 2 ways, for example, as 10624190313529 + 595920697681 = 3259477^2 + 771959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11220111011210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561005550551 + ... + 561005550570.

Almost surely, 2^{11220111011210} is an apocalyptic number.

11220111011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220111011210 is a deficient number, since it is larger than the sum of its proper divisors (8976088808986).

11220111011210 is a wasteful number, since it uses less digits than its factorization.

11220111011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122011101128.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11220111011210 its reverse (1211011102211), we get a palindrome (12431122113421).

The spelling of 11220111011210 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, eleven thousand, two hundred ten".