1022021020102 has 16 divisors (see below), whose sum is σ = 1563768682560. Its totient is φ = 500859223488.

The previous prime is 1022021020049. The next prime is 1022021020151. The reversal of 1022021020102 is 2010201202201.

It is a happy number.

It is a congruent number.

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, 23585973 + ... + 23629264.

It is an arithmetic number, because the mean of its divisors is an integer number (97735542660).

Almost surely, 2^{1022021020102} is an apocalyptic number.

1022021020102 is a deficient number, since it is larger than the sum of its proper divisors (541747662458).

1022021020102 is a wasteful number, since it uses less digits than its factorization.

1022021020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215455.

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

Adding to 1022021020102 its reverse (2010201202201), we get a palindrome (3032222222303).

The spelling of 1022021020102 in words is "one trillion, twenty-two billion, twenty-one million, twenty thousand, one hundred two".