2222111220102 has 24 divisors (see below), whose sum is σ = 4886433630936. Its totient is φ = 729648459936.

The previous prime is 2222111220101. The next prime is 2222111220143. The reversal of 2222111220102 is 2010221112222.

It is a happy number.

2222111220102 is a `hidden beast` number, since 222 + 211 + 1 + 220 + 10 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222111220101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921272103 + ... + 921274514.

It is an arithmetic number, because the mean of its divisors is an integer number (203601401289).

Almost surely, 2^{2222111220102} is an apocalyptic number.

2222111220102 is an abundant number, since it is smaller than the sum of its proper divisors (2664322410834).

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

2222111220102 is a wasteful number, since it uses less digits than its factorization.

2222111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842546692 (or 1842546689 counting only the distinct ones).

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

Adding to 2222111220102 its reverse (2010221112222), we get a palindrome (4232332332324).

The spelling of 2222111220102 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".