21202101201122 has 8 divisors (see below), whose sum is σ = 31803204385872. Its totient is φ = 10601033072500.

The previous prime is 21202101201119. The next prime is 21202101201131. The reversal of 21202101201122 is 22110210120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21202101201122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7195904 + ... + 9704907.

It is an arithmetic number, because the mean of its divisors is an integer number (3975400548234).

Almost surely, 2^{21202101201122} is an apocalyptic number.

21202101201122 is a deficient number, since it is larger than the sum of its proper divisors (10601103184750).

21202101201122 is a wasteful number, since it uses less digits than its factorization.

21202101201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528064.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21202101201122 its reverse (22110210120212), we get a palindrome (43312311321334).

The spelling of 21202101201122 in words is "twenty-one trillion, two hundred two billion, one hundred one million, two hundred one thousand, one hundred twenty-two".