210010122222021 has 24 divisors (see below), whose sum is σ = 330938789279904. Its totient is φ = 127273574182560.

The previous prime is 210010122221993. The next prime is 210010122222041. The reversal of 210010122222021 is 120222221010012.

It is a happy number.

210010122222021 is a `hidden beast` number, since 2 + 100 + 101 + 222 + 220 + 21 = 666.

It is not a de Polignac number, because 210010122222021 - 2⁶ = 210010122221957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010122221985 and 210010122222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010122222041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41669091 + ... + 46436336.

It is an arithmetic number, because the mean of its divisors is an integer number (13789116219996).

Almost surely, 2^{210010122222021} is an apocalyptic number.

It is an amenable number.

210010122222021 is a deficient number, since it is larger than the sum of its proper divisors (120928667057883).

210010122222021 is a wasteful number, since it uses less digits than its factorization.

210010122222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88129521 (or 88129518 counting only the distinct ones).

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

Adding to 210010122222021 its reverse (120222221010012), we get a palindrome (330232343232033).

The spelling of 210010122222021 in words is "two hundred ten trillion, ten billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-one".