201002212202121 has 48 divisors (see below), whose sum is σ = 316878014673792. Its totient is φ = 121762896057600.

The previous prime is 201002212202111. The next prime is 201002212202167. The reversal of 201002212202121 is 121202212200102.

It is a happy number.

201002212202121 is a `hidden beast` number, since 2 + 0 + 10 + 0 + 221 + 220 + 212 + 1 = 666.

It is not a de Polignac number, because 201002212202121 - 2⁴⁶ = 130633468024457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201002212202094 and 201002212202103.

It is not an unprimeable number, because it can be changed into a prime (201002212202111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2684537941 + ... + 2684612813.

It is an arithmetic number, because the mean of its divisors is an integer number (6601625305704).

Almost surely, 2^{201002212202121} is an apocalyptic number.

It is an amenable number.

201002212202121 is a deficient number, since it is larger than the sum of its proper divisors (115875802471671).

201002212202121 is a wasteful number, since it uses less digits than its factorization.

201002212202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87134 (or 87131 counting only the distinct ones).

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

Adding to 201002212202121 its reverse (121202212200102), we get a palindrome (322204424402223).

The spelling of 201002212202121 in words is "two hundred one trillion, two billion, two hundred twelve million, two hundred two thousand, one hundred twenty-one".