212220220011 has 8 divisors (see below), whose sum is σ = 283006956864. Its totient is φ = 141456814920.

The previous prime is 212220219983. The next prime is 212220220013. The reversal of 212220220011 is 110022022212.

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

It is not a de Polignac number, because 212220220011 - 2⁶ = 212220219947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212220220013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811705 + ... + 5848106.

It is an arithmetic number, because the mean of its divisors is an integer number (35375869608).

Almost surely, 2^212220220011 is an apocalyptic number.

212220220011 is a deficient number, since it is larger than the sum of its proper divisors (70786736853).

212220220011 is a wasteful number, since it uses less digits than its factorization.

212220220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665881.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212220220011 its reverse (110022022212), we get a palindrome (322242242223).

The spelling of 212220220011 in words is "two hundred twelve billion, two hundred twenty million, two hundred twenty thousand, eleven".