22101202002 has 144 divisors (see below), whose sum is σ = 54328669920. Its totient is φ = 5952165120.

The previous prime is 22101201973. The next prime is 22101202003. The reversal of 22101202002 is 20020210122.

It is not an unprimeable number, because it can be changed into a prime (22101202003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71990733 + ... + 71991039.

It is an arithmetic number, because the mean of its divisors is an integer number (377282430).

Almost surely, 2^22101202002 is an apocalyptic number.

22101202002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22101202002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27164334960).

22101202002 is an abundant number, since it is smaller than the sum of its proper divisors (32227467918).

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

22101202002 is a wasteful number, since it uses less digits than its factorization.

22101202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22101202002 its reverse (20020210122), we get a palindrome (42121412124).

It can be divided in two parts, 2210120 and 2002, that added together give a palindrome (2212122).

The spelling of 22101202002 in words is "twenty-two billion, one hundred one million, two hundred two thousand, two".