1021012022 has 8 divisors (see below), whose sum is σ = 1556625072. Its totient is φ = 502137000.

The previous prime is 1021011991. The next prime is 1021012033. The reversal of 1021012022 is 2202101201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1021011994 and 1021012012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184354 + ... + 4184597.

It is an arithmetic number, because the mean of its divisors is an integer number (194578134).

Almost surely, 2^1021012022 is an apocalyptic number.

1021012022 is a deficient number, since it is larger than the sum of its proper divisors (535613050).

1021012022 is an equidigital number, since it uses as much as digits as its factorization.

1021012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369014.

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

The square root of 1021012022 is about 31953.2787363050. The cubic root of 1021012022 is about 1006.9555159636.

Adding to 1021012022 its reverse (2202101201), we get a palindrome (3223113223).

The spelling of 1021012022 in words is "one billion, twenty-one million, twelve thousand, twenty-two".