1210000211211 has 32 divisors (see below), whose sum is σ = 1777675205376. Its totient is φ = 725970960000.

The previous prime is 1210000211209. The next prime is 1210000211227. The reversal of 1210000211211 is 1121120000121.

It is not a de Polignac number, because 1210000211211 - 2¹ = 1210000211209 is a prime.

It is a super-2 number, since 2×1210000211211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210000211291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28579320 + ... + 28621626.

It is an arithmetic number, because the mean of its divisors is an integer number (55552350168).

Almost surely, 2^{1210000211211} is an apocalyptic number.

1210000211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210000211211 is a deficient number, since it is larger than the sum of its proper divisors (567674994165).

1210000211211 is a wasteful number, since it uses less digits than its factorization.

1210000211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51003.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210000211211 its reverse (1121120000121), we get a palindrome (2331120211332).

The spelling of 1210000211211 in words is "one trillion, two hundred ten billion, two hundred eleven thousand, two hundred eleven".