202101210210222 has 320 divisors, whose sum is σ = 484538105779200. Its totient is φ = 62777394800640.

The previous prime is 202101210210197. The next prime is 202101210210223. The reversal of 202101210210222 is 222012012101202.

It is a happy number.

202101210210222 is a `hidden beast` number, since 2 + 0 + 21 + 0 + 1 + 210 + 210 + 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 = 202101210210195 and 202101210210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101210210223) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 107902407078 + ... + 107902408950.

It is an arithmetic number, because the mean of its divisors is an integer number (1514181580560).

Almost surely, 2^{202101210210222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202101210210222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242269052889600).

202101210210222 is an abundant number, since it is smaller than the sum of its proper divisors (282436895568978).

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

202101210210222 is a wasteful number, since it uses less digits than its factorization.

202101210210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3404 counting only the distinct ones).

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

Adding to 202101210210222 its reverse (222012012101202), we get a palindrome (424113222311424).

The spelling of 202101210210222 in words is "two hundred two trillion, one hundred one billion, two hundred ten million, two hundred ten thousand, two hundred twenty-two".