210000002122 has 16 divisors (see below), whose sum is σ = 316168634880. Its totient is φ = 104610957568.

The previous prime is 210000002059. The next prime is 210000002137. The reversal of 210000002122 is 221200000012.

It is a junction number, because it is equal to n+sod(n) for n = 210000002099 and 210000002108.

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, 720279 + ... + 968917.

It is an arithmetic number, because the mean of its divisors is an integer number (19760539680).

Almost surely, 2^210000002122 is an apocalyptic number.

210000002122 is a deficient number, since it is larger than the sum of its proper divisors (106168632758).

210000002122 is a wasteful number, since it uses less digits than its factorization.

210000002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250205.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210000002122 its reverse (221200000012), we get a palindrome (431200002134).

The spelling of 210000002122 in words is "two hundred ten billion, two thousand, one hundred twenty-two".