1021020222102 has 16 divisors (see below), whose sum is σ = 2043174302832. Its totient is φ = 340151097600.

The previous prime is 1021020222059. The next prime is 1021020222121. The reversal of 1021020222102 is 2012220201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47232403 + ... + 47254014.

It is an arithmetic number, because the mean of its divisors is an integer number (127698393927).

Almost surely, 2^{1021020222102} is an apocalyptic number.

1021020222102 is an abundant number, since it is smaller than the sum of its proper divisors (1022154080730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021020222102 is a wasteful number, since it uses less digits than its factorization.

1021020222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94488223.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021020222102 its reverse (2012220201201), we get a palindrome (3033240423303).

The spelling of 1021020222102 in words is "one trillion, twenty-one billion, twenty million, two hundred twenty-two thousand, one hundred two".