211202210121201 has 16 divisors (see below), whose sum is σ = 336960791077120. Its totient is φ = 129970590843600.

The previous prime is 211202210121163. The next prime is 211202210121239. The reversal of 211202210121201 is 102121012202112.

211202210121201 is a `hidden beast` number, since 2 + 1 + 120 + 221 + 0 + 121 + 201 = 666.

It is an interprime number because it is at equal distance from previous prime (211202210121163) and next prime (211202210121239).

It is not a de Polignac number, because 211202210121201 - 2⁷ = 211202210121073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211202210121241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300857848825 + ... + 300857849526.

It is an arithmetic number, because the mean of its divisors is an integer number (21060049442320).

Almost surely, 2^{211202210121201} is an apocalyptic number.

It is an amenable number.

211202210121201 is a deficient number, since it is larger than the sum of its proper divisors (125758580955919).

211202210121201 is a wasteful number, since it uses less digits than its factorization.

211202210121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601715698373 (or 601715698367 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211202210121201 its reverse (102121012202112), we get a palindrome (313323222323313).

The spelling of 211202210121201 in words is "two hundred eleven trillion, two hundred two billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".