211201011210122 has 8 divisors (see below), whose sum is σ = 317069765351172. Its totient is φ = 105511089426400.

The previous prime is 211201011210109. The next prime is 211201011210143. The reversal of 211201011210122 is 221012110102112.

It can be written as a sum of positive squares in 2 ways, for example, as 210045280857721 + 1155730352401 = 14492939^2 + 1075049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211201011210122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44708086379 + ... + 44708091102.

Almost surely, 2^{211201011210122} is an apocalyptic number.

211201011210122 is a deficient number, since it is larger than the sum of its proper divisors (105868754141050).

211201011210122 is a wasteful number, since it uses less digits than its factorization.

211201011210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89416178664.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211201011210122 its reverse (221012110102112), we get a palindrome (432213121312234).

The spelling of 211201011210122 in words is "two hundred eleven trillion, two hundred one billion, eleven million, two hundred ten thousand, one hundred twenty-two".