122100200210 has 16 divisors (see below), whose sum is σ = 220597392600. Its totient is φ = 48658517376.

The previous prime is 122100200171. The next prime is 122100200249. The reversal of 122100200210 is 12002001221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122100200171) and next prime (122100200249).

It can be written as a sum of positive squares in 4 ways, for example, as 40176594481 + 81923605729 = 200441^2 + 286223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122100200191 and 122100200200.

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, 22692515 + ... + 22697894.

Almost surely, 2^122100200210 is an apocalyptic number.

122100200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100200210 is a deficient number, since it is larger than the sum of its proper divisors (98497192390).

122100200210 is a wasteful number, since it uses less digits than its factorization.

122100200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45390685.

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

Adding to 122100200210 its reverse (12002001221), we get a palindrome (134102201431).

The spelling of 122100200210 in words is "one hundred twenty-two billion, one hundred million, two hundred thousand, two hundred ten".