1022111100211 has 2 divisors, whose sum is σ = 1022111100212. Its totient is φ = 1022111100210.

The previous prime is 1022111100181. The next prime is 1022111100217. The reversal of 1022111100211 is 1120011112201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022111100211 - 2⁹ = 1022111099699 is a prime.

It is a super-2 number, since 2×1022111100211² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022111100191 and 1022111100200.

It is not a weakly prime, because it can be changed into another prime (1022111100217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055550105 + 511055550106.

It is an arithmetic number, because the mean of its divisors is an integer number (511055550106).

Almost surely, 2^{1022111100211} is an apocalyptic number.

1022111100211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022111100211 is an equidigital number, since it uses as much as digits as its factorization.

1022111100211 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 13.

Adding to 1022111100211 its reverse (1120011112201), we get a palindrome (2142122212412).

The spelling of 1022111100211 in words is "one trillion, twenty-two billion, one hundred eleven million, one hundred thousand, two hundred eleven".