210011100221212 has 48 divisors (see below), whose sum is σ = 370482938380800. Its totient is φ = 104162113290240.

The previous prime is 210011100221189. The next prime is 210011100221227. The reversal of 210011100221212 is 212122001110012.

It is a super-2 number, since 2×210011100221212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860124364 + ... + 860368492.

It is an arithmetic number, because the mean of its divisors is an integer number (7718394549600).

Almost surely, 2^{210011100221212} is an apocalyptic number.

It is an amenable number.

210011100221212 is a deficient number, since it is larger than the sum of its proper divisors (160471838159588).

210011100221212 is a wasteful number, since it uses less digits than its factorization.

210011100221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247486 (or 247484 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210011100221212 its reverse (212122001110012), we get a palindrome (422133101331224).

The spelling of 210011100221212 in words is "two hundred ten trillion, eleven billion, one hundred million, two hundred twenty-one thousand, two hundred twelve".