2100122210222 has 16 divisors (see below), whose sum is σ = 3304358019072. Its totient is φ = 999147598680.

The previous prime is 2100122210213. The next prime is 2100122210261. The reversal of 2100122210222 is 2220122210012.

It is a happy number.

It is a super-2 number, since 2×2100122210222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100122210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119506478 + ... + 119524049.

It is an arithmetic number, because the mean of its divisors is an integer number (206522376192).

Almost surely, 2^{2100122210222} is an apocalyptic number.

2100122210222 is a deficient number, since it is larger than the sum of its proper divisors (1204235808850).

2100122210222 is a wasteful number, since it uses less digits than its factorization.

2100122210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239030743.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2100122210222 its reverse (2220122210012), we get a palindrome (4320244420234).

The spelling of 2100122210222 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".