210022201111212 has 192 divisors, whose sum is σ = 625853378304000. Its totient is φ = 59663415352320.

The previous prime is 210022201111169. The next prime is 210022201111273. The reversal of 210022201111212 is 212111102220012.

210022201111212 is a `hidden beast` number, since 210 + 0 + 2 + 220 + 11 + 11 + 212 = 666.

210022201111212 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-5 number, since 5×210022201111212⁵ (a number of 73 digits) contains 55555 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102575664 + ... + 104603112.

It is an arithmetic number, because the mean of its divisors is an integer number (3259653012000).

Almost surely, 2^{210022201111212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210022201111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312926689152000).

210022201111212 is an abundant number, since it is smaller than the sum of its proper divisors (415831177192788).

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

210022201111212 is a wasteful number, since it uses less digits than its factorization.

210022201111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028253 (or 2028245 counting only the distinct ones).

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

Adding to 210022201111212 its reverse (212111102220012), we get a palindrome (422133303331224).

The spelling of 210022201111212 in words is "two hundred ten trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred twelve".