1022111143 has 2 divisors, whose sum is σ = 1022111144. Its totient is φ = 1022111142.

The previous prime is 1022111131. The next prime is 1022111171. The reversal of 1022111143 is 3411112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022111143 - 2²⁵ = 988556711 is a prime.

It is a super-2 number, since 2×1022111143² = 2089422377289532898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022111443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055571 + 511055572.

It is an arithmetic number, because the mean of its divisors is an integer number (511055572).

Almost surely, 2^1022111143 is an apocalyptic number.

1022111143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022111143 is an equidigital number, since it uses as much as digits as its factorization.

1022111143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1022111143 is about 31970.4729868046. The cubic root of 1022111143 is about 1007.3167161003.

Adding to 1022111143 its reverse (3411112201), we get a palindrome (4433223344).

The spelling of 1022111143 in words is "one billion, twenty-two million, one hundred eleven thousand, one hundred forty-three".