10212120222201 has 6 divisors (see below), whose sum is σ = 14750840320970. Its totient is φ = 6808080148128.

The previous prime is 10212120222113. The next prime is 10212120222211. The reversal of 10212120222201 is 10222202121201.

It is a happy number.

10212120222201 is a `hidden beast` number, since 10 + 21 + 212 + 0 + 222 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6685968604176 + 3526151618025 = 2585724^2 + 1877805^2 .

It is not a de Polignac number, because 10212120222201 - 2¹⁸ = 10212119960057 is a prime.

It is a super-2 number, since 2×10212120222201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212120222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567340012336 + ... + 567340012353.

Almost surely, 2^{10212120222201} is an apocalyptic number.

It is an amenable number.

10212120222201 is a deficient number, since it is larger than the sum of its proper divisors (4538720098769).

10212120222201 is a wasteful number, since it uses less digits than its factorization.

10212120222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134680024695 (or 1134680024692 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212120222201 its reverse (10222202121201), we get a palindrome (20434322343402).

The spelling of 10212120222201 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, two hundred one".