21112022220202 has 8 divisors (see below), whose sum is σ = 33044904344736. Its totient is φ = 10097054105292.

The previous prime is 21112022220197. The next prime is 21112022220259. The reversal of 21112022220202 is 20202222021112.

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 21112022220202.

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, 229478502348 + ... + 229478502439.

It is an arithmetic number, because the mean of its divisors is an integer number (4130613043092).

Almost surely, 2^{21112022220202} is an apocalyptic number.

21112022220202 is a deficient number, since it is larger than the sum of its proper divisors (11932882124534).

21112022220202 is a wasteful number, since it uses less digits than its factorization.

21112022220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458957004812.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21112022220202 its reverse (20202222021112), we get a palindrome (41314244241314).

The spelling of 21112022220202 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred two".