210010121121222 has 24 divisors (see below), whose sum is σ = 478970451680760. Its totient is φ = 66318985617120.

The previous prime is 210010121121187. The next prime is 210010121121223. The reversal of 210010121121222 is 222121121010012.

210010121121222 is a `hidden beast` number, since 210 + 0 + 1 + 0 + 1 + 211 + 21 + 222 = 666.

210010121121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210010121121195 and 210010121121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010121121223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307032340479 + ... + 307032341162.

It is an arithmetic number, because the mean of its divisors is an integer number (19957102153365).

Almost surely, 2^{210010121121222} is an apocalyptic number.

210010121121222 is an abundant number, since it is smaller than the sum of its proper divisors (268960330559538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210010121121222 is a wasteful number, since it uses less digits than its factorization.

210010121121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614064681668 (or 614064681665 counting only the distinct ones).

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

Adding to 210010121121222 its reverse (222121121010012), we get a palindrome (432131242131234).

The spelling of 210010121121222 in words is "two hundred ten trillion, ten billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".