21122101120202 has 8 divisors (see below), whose sum is σ = 31715382763296. Its totient is φ = 10550306865772.

The previous prime is 21122101120201. The next prime is 21122101120223. The reversal of 21122101120202 is 20202110122112.

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

It is a super-2 number, since 2×21122101120202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122101120201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5371844708 + ... + 5371848639.

It is an arithmetic number, because the mean of its divisors is an integer number (3964422845412).

Almost surely, 2^{21122101120202} is an apocalyptic number.

21122101120202 is a deficient number, since it is larger than the sum of its proper divisors (10593281643094).

21122101120202 is a wasteful number, since it uses less digits than its factorization.

21122101120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743694332.

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

Adding to 21122101120202 its reverse (20202110122112), we get a palindrome (41324211242314).

The spelling of 21122101120202 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred one million, one hundred twenty thousand, two hundred two".