1021201330102 has 16 divisors (see below), whose sum is σ = 1534612555872. Its totient is φ = 509663992320.

The previous prime is 1021201330091. The next prime is 1021201330103. The reversal of 1021201330102 is 2010331021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021201330103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12955903 + ... + 13034485.

It is an arithmetic number, because the mean of its divisors is an integer number (95913284742).

Almost surely, 2^{1021201330102} is an apocalyptic number.

1021201330102 is a deficient number, since it is larger than the sum of its proper divisors (513411225770).

1021201330102 is a wasteful number, since it uses less digits than its factorization.

1021201330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90423.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1021201330102 its reverse (2010331021201), we get a palindrome (3031532351303).

The spelling of 1021201330102 in words is "one trillion, twenty-one billion, two hundred one million, three hundred thirty thousand, one hundred two".