2100211110122 has 8 divisors (see below), whose sum is σ = 3171459730500. Its totient is φ = 1043057866624.

The previous prime is 2100211110079. The next prime is 2100211110181. The reversal of 2100211110122 is 2210111120012.

It can be written as a sum of positive squares in 2 ways, for example, as 1625367460201 + 474843649921 = 1274899^2 + 689089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2100211110122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100211110097 and 2100211110106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523843847 + ... + 3523844442.

Almost surely, 2^{2100211110122} is an apocalyptic number.

2100211110122 is a deficient number, since it is larger than the sum of its proper divisors (1071248620378).

2100211110122 is a wasteful number, since it uses less digits than its factorization.

2100211110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047688440.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100211110122 its reverse (2210111120012), we get a palindrome (4310322230134).

The spelling of 2100211110122 in words is "two trillion, one hundred billion, two hundred eleven million, one hundred ten thousand, one hundred twenty-two".