1022121043 has 2 divisors, whose sum is σ = 1022121044. Its totient is φ = 1022121042.

The previous prime is 1022121011. The next prime is 1022121097. The reversal of 1022121043 is 3401212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022121043 - 2⁵ = 1022121011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022121743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511060521 + 511060522.

It is an arithmetic number, because the mean of its divisors is an integer number (511060522).

Almost surely, 2^1022121043 is an apocalyptic number.

1022121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022121043 is an equidigital number, since it uses as much as digits as its factorization.

1022121043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1022121043 is about 31970.6278167946. The cubic root of 1022121043 is about 1007.3199683244.

Adding to 1022121043 its reverse (3401212201), we get a palindrome (4423333244).

The spelling of 1022121043 in words is "one billion, twenty-two million, one hundred twenty-one thousand, forty-three".