1000000122211 has 2 divisors, whose sum is σ = 1000000122212. Its totient is φ = 1000000122210.

The previous prime is 1000000122109. The next prime is 1000000122259. The reversal of 1000000122211 is 1122210000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000122211 - 2¹³ = 1000000114019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000000122281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000061105 + 500000061106.

It is an arithmetic number, because the mean of its divisors is an integer number (500000061106).

Almost surely, 2^{1000000122211} is an apocalyptic number.

1000000122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000122211 is an equidigital number, since it uses as much as digits as its factorization.

1000000122211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000000122211 its reverse (1122210000001), we get a palindrome (2122210122212).

It can be divided in two parts, 1000000 and 122211, that added together give a palindrome (1122211).

The spelling of 1000000122211 in words is "one trillion, one hundred twenty-two thousand, two hundred eleven".