1020022021210 has 16 divisors (see below), whose sum is σ = 1838414865096. Its totient is φ = 407480980288.

The previous prime is 1020022021199. The next prime is 1020022021223. The reversal of 1020022021210 is 121202200201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 876775667769 + 143246353441 = 936363^2 + 378479^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65970409 + ... + 65985868.

Almost surely, 2^{1020022021210} is an apocalyptic number.

1020022021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020022021210 is a deficient number, since it is larger than the sum of its proper divisors (818392843886).

1020022021210 is a wasteful number, since it uses less digits than its factorization.

1020022021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131957057.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020022021210 its reverse (121202200201), we get a palindrome (1141224221411).

It can be divided in two parts, 102002 and 2021210, that added together give a palindrome (2123212).

The spelling of 1020022021210 in words is "one trillion, twenty billion, twenty-two million, twenty-one thousand, two hundred ten".