2001022012211 has 2 divisors, whose sum is σ = 2001022012212. Its totient is φ = 2001022012210.

The previous prime is 2001022012181. The next prime is 2001022012229. The reversal of 2001022012211 is 1122102201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001022012211 - 2⁶ = 2001022012147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001022012291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000511006105 + 1000511006106.

It is an arithmetic number, because the mean of its divisors is an integer number (1000511006106).

Almost surely, 2^{2001022012211} is an apocalyptic number.

2001022012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001022012211 is an equidigital number, since it uses as much as digits as its factorization.

2001022012211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001022012211 its reverse (1122102201002), we get a palindrome (3123124213213).

The spelling of 2001022012211 in words is "two trillion, one billion, twenty-two million, twelve thousand, two hundred eleven".