2220122121210 has 128 divisors (see below), whose sum is σ = 6877006272000. Its totient is φ = 499137500160.

The previous prime is 2220122121131. The next prime is 2220122121211. The reversal of 2220122121210 is 121212210222.

It is a happy number.

2220122121210 is a `hidden beast` number, since 2 + 220 + 1 + 221 + 212 + 10 = 666.

2220122121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2220122121211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9513135 + ... + 9743714.

It is an arithmetic number, because the mean of its divisors is an integer number (53726611500).

Almost surely, 2^{2220122121210} is an apocalyptic number.

2220122121210 is an abundant number, since it is smaller than the sum of its proper divisors (4656884150790).

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

2220122121210 is a wasteful number, since it uses less digits than its factorization.

2220122121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256933 (or 19256927 counting only the distinct ones).

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

Adding to 2220122121210 its reverse (121212210222), we get a palindrome (2341334331432).

The spelling of 2220122121210 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".