2211222220122 has 32 divisors (see below), whose sum is σ = 4544628422400. Its totient is φ = 716733396288.

The previous prime is 2211222220099. The next prime is 2211222220127. The reversal of 2211222220122 is 2210222221122.

2211222220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2211222220122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211222220127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534722 + ... + 3293517.

It is an arithmetic number, because the mean of its divisors is an integer number (142019638200).

Almost surely, 2^{2211222220122} is an apocalyptic number.

2211222220122 is an abundant number, since it is smaller than the sum of its proper divisors (2333406202278).

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

2211222220122 is a wasteful number, since it uses less digits than its factorization.

2211222220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829990.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2211222220122 its reverse (2210222221122), we get a palindrome (4421444441244).

The spelling of 2211222220122 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".