1021221113002 has 16 divisors (see below), whose sum is σ = 1597131048960. Its totient is φ = 489121376688.

The previous prime is 1021221112997. The next prime is 1021221113039. The reversal of 1021221113002 is 2003111221201.

1021221113002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 69312558 + ... + 69327289.

It is an arithmetic number, because the mean of its divisors is an integer number (99820690560).

Almost surely, 2^{1021221113002} is an apocalyptic number.

1021221113002 is a deficient number, since it is larger than the sum of its proper divisors (575909935958).

1021221113002 is a wasteful number, since it uses less digits than its factorization.

1021221113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138640005.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021221113002 its reverse (2003111221201), we get a palindrome (3024332334203).

The spelling of 1021221113002 in words is "one trillion, twenty-one billion, two hundred twenty-one million, one hundred thirteen thousand, two".