212220111102 has 8 divisors (see below), whose sum is σ = 424440222216. Its totient is φ = 70740037032.

The previous prime is 212220111101. The next prime is 212220111113. The reversal of 212220111102 is 201111022212.

It is a sphenic number, since it is the product of 3 distinct primes.

212220111102 is an admirable number.

It is a super-2 number, since 2×212220111102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220111101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685009253 + ... + 17685009264.

It is an arithmetic number, because the mean of its divisors is an integer number (53055027777).

Almost surely, 2^212220111102 is an apocalyptic number.

212220111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212220111102 is a wasteful number, since it uses less digits than its factorization.

212220111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35370018522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212220111102 its reverse (201111022212), we get a palindrome (413331133314).

The spelling of 212220111102 in words is "two hundred twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred two".