2211123110202 has 384 divisors, whose sum is σ = 5513734932480. Its totient is φ = 655841525760.

The previous prime is 2211123110143. The next prime is 2211123110227. The reversal of 2211123110202 is 2020113211122.

2211123110202 is a `hidden beast` number, since 221 + 1 + 1 + 231 + 10 + 202 = 666.

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 191 ways as a sum of consecutive naturals, for example, 4838343558 + ... + 4838344014.

It is an arithmetic number, because the mean of its divisors is an integer number (14358684720).

Almost surely, 2^{2211123110202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211123110202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756867466240).

2211123110202 is an abundant number, since it is smaller than the sum of its proper divisors (3302611822278).

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

2211123110202 is a wasteful number, since it uses less digits than its factorization.

2211123110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2211123110202 its reverse (2020113211122), we get a palindrome (4231236321324).

The spelling of 2211123110202 in words is "two trillion, two hundred eleven billion, one hundred twenty-three million, one hundred ten thousand, two hundred two".