22120222011210 has 48 divisors (see below), whose sum is σ = 57587366196360. Its totient is φ = 5891055206400.

The previous prime is 22120222011187. The next prime is 22120222011331. The reversal of 22120222011210 is 1211022202122.

It is a happy number.

22120222011210 is a `hidden beast` number, since 2 + 21 + 202 + 220 + 11 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20493701838009 + 1626520173201 = 4526997^2 + 1275351^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159735891 + ... + 159874310.

Almost surely, 2^{22120222011210} is an apocalyptic number.

22120222011210 is an abundant number, since it is smaller than the sum of its proper divisors (35467144185150).

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

22120222011210 is a wasteful number, since it uses less digits than its factorization.

22120222011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319610983 (or 319610980 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22120222011210 its reverse (1211022202122), we get a palindrome (23331244213332).

The spelling of 22120222011210 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, eleven thousand, two hundred ten".