11122021210 has 16 divisors (see below), whose sum is σ = 20507922792. Its totient is φ = 4340300800.

The previous prime is 11122021193. The next prime is 11122021213. The reversal of 11122021210 is 1212022111.

It can be written as a sum of positive squares in 4 ways, for example, as 8422283529 + 2699737681 = 91773^2 + 51959^2 .

It is not an unprimeable number, because it can be changed into a prime (11122021213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13563031 + ... + 13563850.

Almost surely, 2^11122021210 is an apocalyptic number.

11122021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122021210 is a deficient number, since it is larger than the sum of its proper divisors (9385901582).

11122021210 is a wasteful number, since it uses less digits than its factorization.

11122021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126929.

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

Adding to 11122021210 its reverse (1212022111), we get a palindrome (12334043321).

Subtracting from 11122021210 its reverse (1212022111), we obtain a palindrome (9909999099).

The spelling of 11122021210 in words is "eleven billion, one hundred twenty-two million, twenty-one thousand, two hundred ten".