11212122101210 has 16 divisors (see below), whose sum is σ = 20181878589600. Its totient is φ = 4484835772176.

The previous prime is 11212122101197. The next prime is 11212122101221. The reversal of 11212122101210 is 1210122121211.

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, 2457881 + ... + 5335299.

It is an arithmetic number, because the mean of its divisors is an integer number (1261367411850).

Almost surely, 2^{11212122101210} is an apocalyptic number.

11212122101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212122101210 is a deficient number, since it is larger than the sum of its proper divisors (8969756488390).

11212122101210 is a wasteful number, since it uses less digits than its factorization.

11212122101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267085.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212122101210 its reverse (1210122121211), we get a palindrome (12422244222421).

The spelling of 11212122101210 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred ten".