22101120210 has 64 divisors (see below), whose sum is σ = 59606523648. Its totient is φ = 5203739904.

The previous prime is 22101120149. The next prime is 22101120221. The reversal of 22101120210 is 1202110122.

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, 1222977 + ... + 1240916.

It is an arithmetic number, because the mean of its divisors is an integer number (931351932).

Almost surely, 2^22101120210 is an apocalyptic number.

22101120210 is an abundant number, since it is smaller than the sum of its proper divisors (37505403438).

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

22101120210 is a wasteful number, since it uses less digits than its factorization.

22101120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463939.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22101120210 its reverse (1202110122), we get a palindrome (23303230332).

It can be divided in two parts, 22101 and 120210, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 22101120210 in words is "twenty-two billion, one hundred one million, one hundred twenty thousand, two hundred ten".