210100100221222 has 32 divisors (see below), whose sum is σ = 322665229890432. Its totient is φ = 102547850483904.

The previous prime is 210100100221213. The next prime is 210100100221223. The reversal of 210100100221222 is 222122001001012.

It is a happy number.

It is a super-2 number, since 2×210100100221222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210100100221196 and 210100100221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100100221223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425298673 + ... + 2425385299.

It is an arithmetic number, because the mean of its divisors is an integer number (10083288434076).

Almost surely, 2^{210100100221222} is an apocalyptic number.

210100100221222 is a deficient number, since it is larger than the sum of its proper divisors (112565129669210).

210100100221222 is a wasteful number, since it uses less digits than its factorization.

210100100221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102612.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210100100221222 its reverse (222122001001012), we get a palindrome (432222101222234).

The spelling of 210100100221222 in words is "two hundred ten trillion, one hundred billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".