211030201230122 has 4 divisors (see below), whose sum is σ = 316545301845186. Its totient is φ = 105515100615060.

The previous prime is 211030201230119. The next prime is 211030201230257. The reversal of 211030201230122 is 221032102030112.

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., 204497121462001 + 6533079768121 = 14300249^2 + 2555989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211030201230094 and 211030201230103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52757550307529 + ... + 52757550307532.

Almost surely, 2^{211030201230122} is an apocalyptic number.

211030201230122 is a deficient number, since it is larger than the sum of its proper divisors (105515100615064).

211030201230122 is a wasteful number, since it uses less digits than its factorization.

211030201230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105515100615063.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211030201230122 its reverse (221032102030112), we get a palindrome (432062303260234).

The spelling of 211030201230122 in words is "two hundred eleven trillion, thirty billion, two hundred one million, two hundred thirty thousand, one hundred twenty-two".