210202200122 has 4 divisors (see below), whose sum is σ = 315303300186. Its totient is φ = 105101100060.

The previous prime is 210202200107. The next prime is 210202200179. The reversal of 210202200122 is 221002202012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191860644361 + 18341555761 = 438019^2 + 135431^2 .

It is a super-3 number, since 3×210202200122³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 210202200097 and 210202200106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52550550029 + ... + 52550550032.

Almost surely, 2^210202200122 is an apocalyptic number.

210202200122 is a deficient number, since it is larger than the sum of its proper divisors (105101100064).

210202200122 is a wasteful number, since it uses less digits than its factorization.

210202200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105101100063.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210202200122 its reverse (221002202012), we get a palindrome (431204402134).

The spelling of 210202200122 in words is "two hundred ten billion, two hundred two million, two hundred thousand, one hundred twenty-two".