210012201111222 has 64 divisors (see below), whose sum is σ = 482789545041600. Its totient is φ = 67589731077120.

The previous prime is 210012201111133. The next prime is 210012201111227. The reversal of 210012201111222 is 222111102210012.

210012201111222 is a `hidden beast` number, since 210 + 0 + 1 + 220 + 1 + 1 + 11 + 222 = 666.

210012201111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210012201111222² (a number of 29 digits) contains 22 as substring.

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 = 210012201111195 and 210012201111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012201111227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375493222 + ... + 376052102.

It is an arithmetic number, because the mean of its divisors is an integer number (7543586641275).

Almost surely, 2^{210012201111222} is an apocalyptic number.

210012201111222 is an abundant number, since it is smaller than the sum of its proper divisors (272777343930378).

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

210012201111222 is a wasteful number, since it uses less digits than its factorization.

210012201111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798878 (or 798872 counting only the distinct ones).

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

Adding to 210012201111222 its reverse (222111102210012), we get a palindrome (432123303321234).

The spelling of 210012201111222 in words is "two hundred ten trillion, twelve billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".