21110524222 has 8 divisors (see below), whose sum is σ = 31666608000. Its totient is φ = 10554988224.

The previous prime is 21110524177. The next prime is 21110524229. The reversal of 21110524222 is 22242501112.

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

It is a junction number, because it is equal to n+sod(n) for n = 21110524193 and 21110524202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110524229) 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, 20947 + ... + 206542.

It is an arithmetic number, because the mean of its divisors is an integer number (3958326000).

Almost surely, 2^21110524222 is an apocalyptic number.

21110524222 is a deficient number, since it is larger than the sum of its proper divisors (10556083778).

21110524222 is a wasteful number, since it uses less digits than its factorization.

21110524222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273890.

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 21110524222 in words is "twenty-one billion, one hundred ten million, five hundred twenty-four thousand, two hundred twenty-two".