1021210022 has 16 divisors (see below), whose sum is σ = 1752505632. Its totient is φ = 437196480.

The previous prime is 1021210013. The next prime is 1021210037. The reversal of 1021210022 is 2200121201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021209985 and 1021210012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24929 + ... + 51612.

It is an arithmetic number, because the mean of its divisors is an integer number (109531602).

Almost surely, 2^1021210022 is an apocalyptic number.

1021210022 is a deficient number, since it is larger than the sum of its proper divisors (731295610).

1021210022 is an equidigital number, since it uses as much as digits as its factorization.

1021210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77503.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1021210022 is about 31956.3768597130. The cubic root of 1021210022 is about 1007.0206031193.

Adding to 1021210022 its reverse (2200121201), we get a palindrome (3221331223).

The spelling of 1021210022 in words is "one billion, twenty-one million, two hundred ten thousand, twenty-two".