1022121203 has 2 divisors, whose sum is σ = 1022121204. Its totient is φ = 1022121202.

The previous prime is 1022121167. The next prime is 1022121239. The reversal of 1022121203 is 3021212201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1022121167) and next prime (1022121239).

It is a cyclic number.

It is not a de Polignac number, because 1022121203 - 2⁸ = 1022120947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1022121703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511060601 + 511060602.

It is an arithmetic number, because the mean of its divisors is an integer number (511060602).

Almost surely, 2^1022121203 is an apocalyptic number.

1022121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022121203 is an equidigital number, since it uses as much as digits as its factorization.

1022121203 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 14.

The square root of 1022121203 is about 31970.6303190913. The cubic root of 1022121203 is about 1007.3200208854.

Adding to 1022121203 its reverse (3021212201), we get a palindrome (4043333404).

The spelling of 1022121203 in words is "one billion, twenty-two million, one hundred twenty-one thousand, two hundred three".