1021201322202 has 96 divisors (see below), whose sum is σ = 2304693990144. Its totient is φ = 326516486400.

The previous prime is 1021201322173. The next prime is 1021201322231. The reversal of 1021201322202 is 2022231021201.

It is an interprime number because it is at equal distance from previous prime (1021201322173) and next prime (1021201322231).

It is a super-2 number, since 2×1021201322202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205594723 + ... + 205599689.

It is an arithmetic number, because the mean of its divisors is an integer number (24007229064).

Almost surely, 2^{1021201322202} is an apocalyptic number.

1021201322202 is an abundant number, since it is smaller than the sum of its proper divisors (1283492667942).

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

1021201322202 is a wasteful number, since it uses less digits than its factorization.

1021201322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1021201322202 its reverse (2022231021201), we get a palindrome (3043432343403).

The spelling of 1021201322202 in words is "one trillion, twenty-one billion, two hundred one million, three hundred twenty-two thousand, two hundred two".