210101121102222 has 240 divisors, whose sum is σ = 548970012759168. Its totient is φ = 59883675697440.

The previous prime is 210101121102211. The next prime is 210101121102269. The reversal of 210101121102222 is 222201121101012.

210101121102222 is a `hidden beast` number, since 210 + 10 + 1 + 121 + 102 + 222 = 666.

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 = 210101121102195 and 210101121102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20503666303 + ... + 20503676549.

Almost surely, 2^{210101121102222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210101121102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274485006379584).

210101121102222 is an abundant number, since it is smaller than the sum of its proper divisors (338868891656946).

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

210101121102222 is a wasteful number, since it uses less digits than its factorization.

210101121102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273 (or 16257 counting only the distinct ones).

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

Adding to 210101121102222 its reverse (222201121101012), we get a palindrome (432302242203234).

The spelling of 210101121102222 in words is "two hundred ten trillion, one hundred one billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".