11212100012210 has 16 divisors (see below), whose sum is σ = 20381599627992. Its totient is φ = 4440435648000.

The previous prime is 11212100012207. The next prime is 11212100012219. The reversal of 11212100012210 is 1221000121211.

It can be written as a sum of positive squares in 4 ways, for example, as 10981860304321 + 230239707889 = 3313889^2 + 479833^2 .

It is a super-2 number, since 2×11212100012210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212100012219) 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, 5550543551 + ... + 5550545570.

Almost surely, 2^{11212100012210} is an apocalyptic number.

11212100012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212100012210 is a deficient number, since it is larger than the sum of its proper divisors (9169499615782).

11212100012210 is a wasteful number, since it uses less digits than its factorization.

11212100012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101089229.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212100012210 its reverse (1221000121211), we get a palindrome (12433100133421).

The spelling of 11212100012210 in words is "eleven trillion, two hundred twelve billion, one hundred million, twelve thousand, two hundred ten".