212220021110 has 8 divisors (see below), whose sum is σ = 381996038016. Its totient is φ = 84888008440.

The previous prime is 212220021077. The next prime is 212220021119. The reversal of 212220021110 is 11120022212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220021119) 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, 10611001046 + ... + 10611001065.

It is an arithmetic number, because the mean of its divisors is an integer number (47749504752).

Almost surely, 2^212220021110 is an apocalyptic number.

212220021110 is a deficient number, since it is larger than the sum of its proper divisors (169776016906).

212220021110 is a wasteful number, since it uses less digits than its factorization.

212220021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222002118.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212220021110 its reverse (11120022212), we get a palindrome (223340043322).

The spelling of 212220021110 in words is "two hundred twelve billion, two hundred twenty million, twenty-one thousand, one hundred ten".