22011101210 has 64 divisors (see below), whose sum is σ = 47501406720. Its totient is φ = 7183760640.

The previous prime is 22011101197. The next prime is 22011101263. The reversal of 22011101210 is 1210111022.

It is a junction number, because it is equal to n+sod(n) for n = 22011101191 and 22011101200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67772 + ... + 220488.

It is an arithmetic number, because the mean of its divisors is an integer number (742209480).

Almost surely, 2^22011101210 is an apocalyptic number.

22011101210 is an abundant number, since it is smaller than the sum of its proper divisors (25490305510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011101210 is a wasteful number, since it uses less digits than its factorization.

22011101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152831.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011101210 its reverse (1210111022), we get a palindrome (23221212232).

It can be divided in two parts, 220111012 and 10, that added together give a palindrome (220111022).

The spelling of 22011101210 in words is "twenty-two billion, eleven million, one hundred one thousand, two hundred ten".