210000201210122 has 4 divisors (see below), whose sum is σ = 315000301815186. Its totient is φ = 105000100605060.

The previous prime is 210000201210113. The next prime is 210000201210131. The reversal of 210000201210122 is 221012102000012.

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

It is an interprime number because it is at equal distance from previous prime (210000201210113) and next prime (210000201210131).

It can be written as a sum of positive squares in only one way, i.e., 180477702771601 + 29522498438521 = 13434199^2 + 5433461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210000201210097 and 210000201210106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500050302529 + ... + 52500050302532.

Almost surely, 2^{210000201210122} is an apocalyptic number.

210000201210122 is a deficient number, since it is larger than the sum of its proper divisors (105000100605064).

210000201210122 is a wasteful number, since it uses less digits than its factorization.

210000201210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000100605063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210000201210122 its reverse (221012102000012), we get a palindrome (431012303210134).

The spelling of 210000201210122 in words is "two hundred ten trillion, two hundred one million, two hundred ten thousand, one hundred twenty-two".