210022201121121 has 16 divisors (see below), whose sum is σ = 311173105446720. Its totient is φ = 140001704043840.

The previous prime is 210022201121099. The next prime is 210022201121123. The reversal of 210022201121121 is 121121102220012.

210022201121121 is a `hidden beast` number, since 210 + 0 + 2 + 220 + 1 + 1 + 211 + 21 = 666.

210022201121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210022201121121 - 2⁷ = 210022201120993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210022201121094 and 210022201121103.

It is not an unprimeable number, because it can be changed into a prime (210022201121123) 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, 363503320 + ... + 364080633.

It is an arithmetic number, because the mean of its divisors is an integer number (19448319090420).

Almost surely, 2^{210022201121121} is an apocalyptic number.

It is an amenable number.

210022201121121 is a deficient number, since it is larger than the sum of its proper divisors (101150904325599).

210022201121121 is a wasteful number, since it uses less digits than its factorization.

210022201121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727594653 (or 727594647 counting only the distinct ones).

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

Adding to 210022201121121 its reverse (121121102220012), we get a palindrome (331143303341133).

The spelling of 210022201121121 in words is "two hundred ten trillion, twenty-two billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-one".