212221110036 has 96 divisors (see below), whose sum is σ = 577774124928. Its totient is φ = 60028416000.

The previous prime is 212221109983. The next prime is 212221110037. The reversal of 212221110036 is 630011122212.

It is a junction number, because it is equal to n+sod(n) for n = 212221109994 and 212221110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221110037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816465 + ... + 1044536.

It is an arithmetic number, because the mean of its divisors is an integer number (6018480468).

Almost surely, 2^212221110036 is an apocalyptic number.

212221110036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212221110036 is an abundant number, since it is smaller than the sum of its proper divisors (365553014892).

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

212221110036 is a wasteful number, since it uses less digits than its factorization.

212221110036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861081 (or 1861079 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 212221110036 its reverse (630011122212), we get a palindrome (842232232248).

The spelling of 212221110036 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, thirty-six".