1212110002211 has 4 divisors (see below), whose sum is σ = 1212260228400. Its totient is φ = 1211959776024.

The previous prime is 1212110002189. The next prime is 1212110002249. The reversal of 1212110002211 is 1122000112121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212110002211 - 2¹⁰ = 1212110001187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212110002291) 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 3 ways as a sum of consecutive naturals, for example, 75100991 + ... + 75117128.

It is an arithmetic number, because the mean of its divisors is an integer number (303065057100).

Almost surely, 2^{1212110002211} is an apocalyptic number.

1212110002211 is a deficient number, since it is larger than the sum of its proper divisors (150226189).

1212110002211 is an equidigital number, since it uses as much as digits as its factorization.

1212110002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150226188.

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

Adding to 1212110002211 its reverse (1122000112121), we get a palindrome (2334110114332).

The spelling of 1212110002211 in words is "one trillion, two hundred twelve billion, one hundred ten million, two thousand, two hundred eleven".