2111220122 has 16 divisors (see below), whose sum is σ = 3457462752. Its totient is φ = 958884720.

The previous prime is 2111220113. The next prime is 2111220127. The reversal of 2111220122 is 2210221112.

It is a junction number, because it is equal to n+sod(n) for n = 2111220097 and 2111220106.

It is not an unprimeable number, because it can be changed into a prime (2111220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9173 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (216091422).

Almost surely, 2^2111220122 is an apocalyptic number.

2111220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111220122 is a deficient number, since it is larger than the sum of its proper divisors (1346242630).

2111220122 is a wasteful number, since it uses less digits than its factorization.

2111220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76093.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2111220122 is about 45948.0154304840. The cubic root of 2111220122 is about 1282.8557904945.

Adding to 2111220122 its reverse (2210221112), we get a palindrome (4321441234).

The spelling of 2111220122 in words is "two billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-two".