2021210022211 has 2 divisors, whose sum is σ = 2021210022212. Its totient is φ = 2021210022210.

The previous prime is 2021210022187. The next prime is 2021210022311. The reversal of 2021210022211 is 1122200121202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021210022211 is a prime.

It is a super-2 number, since 2×2021210022211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021210022311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010605011105 + 1010605011106.

It is an arithmetic number, because the mean of its divisors is an integer number (1010605011106).

Almost surely, 2^{2021210022211} is an apocalyptic number.

2021210022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021210022211 is an equidigital number, since it uses as much as digits as its factorization.

2021210022211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021210022211 its reverse (1122200121202), we get a palindrome (3143410143413).

The spelling of 2021210022211 in words is "two trillion, twenty-one billion, two hundred ten million, twenty-two thousand, two hundred eleven".