2211012121210 has 16 divisors (see below), whose sum is σ = 3979959495336. Its totient is φ = 884374253568.

The previous prime is 2211012121189. The next prime is 2211012121217. The reversal of 2211012121210 is 121212101122.

It can be written as a sum of positive squares in 4 ways, for example, as 1879665678081 + 331346443129 = 1371009^2 + 575627^2 .

It is not an unprimeable number, because it can be changed into a prime (2211012121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519687 + ... + 4100026.

Almost surely, 2^{2211012121210} is an apocalyptic number.

2211012121210 is a deficient number, since it is larger than the sum of its proper divisors (1768947374126).

2211012121210 is a wasteful number, since it uses less digits than its factorization.

2211012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648737.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211012121210 its reverse (121212101122), we get a palindrome (2332224222332).

The spelling of 2211012121210 in words is "two trillion, two hundred eleven billion, twelve million, one hundred twenty-one thousand, two hundred ten".