2100210000122 has 16 divisors (see below), whose sum is σ = 3394033477632. Its totient is φ = 968931534000.

The previous prime is 2100210000067. The next prime is 2100210000193. The reversal of 2100210000122 is 2210000120012.

It is a happy number.

It is a super-2 number, since 2×2100210000122² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16441754 + ... + 16568997.

It is an arithmetic number, because the mean of its divisors is an integer number (212127092352).

Almost surely, 2^{2100210000122} is an apocalyptic number.

2100210000122 is a deficient number, since it is larger than the sum of its proper divisors (1293823477510).

2100210000122 is a wasteful number, since it uses less digits than its factorization.

2100210000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33013213.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100210000122 its reverse (2210000120012), we get a palindrome (4310210120134).

The spelling of 2100210000122 in words is "two trillion, one hundred billion, two hundred ten million, one hundred twenty-two", and thus it is an aban number.