22011020210 has 16 divisors (see below), whose sum is σ = 40897896192. Its totient is φ = 8520394800.

The previous prime is 22011020189. The next prime is 22011020221. The reversal of 22011020210 is 1202011022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22011020191 and 22011020200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35501336 + ... + 35501955.

It is an arithmetic number, because the mean of its divisors is an integer number (2556118512).

Almost surely, 2^22011020210 is an apocalyptic number.

22011020210 is a deficient number, since it is larger than the sum of its proper divisors (18886875982).

22011020210 is a wasteful number, since it uses less digits than its factorization.

22011020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71003329.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011020210 its reverse (1202011022), we get a palindrome (23213031232).

The spelling of 22011020210 in words is "twenty-two billion, eleven million, twenty thousand, two hundred ten".