21122210211202 has 8 divisors (see below), whose sum is σ = 31683357133200. Its totient is φ = 10561091166804.

The previous prime is 21122210211181. The next prime is 21122210211229. The reversal of 21122210211202 is 20211201222112.

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

It is a super-2 number, since 2×21122210211202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21122210211202.

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, 4959252 + ... + 8175487.

It is an arithmetic number, because the mean of its divisors is an integer number (3960419641650).

Almost surely, 2^{21122210211202} is an apocalyptic number.

21122210211202 is a deficient number, since it is larger than the sum of its proper divisors (10561146921998).

21122210211202 is a wasteful number, since it uses less digits than its factorization.

21122210211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938800.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21122210211202 its reverse (20211201222112), we get a palindrome (41333411433314).

The spelling of 21122210211202 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred ten million, two hundred eleven thousand, two hundred two".