212111202220010 has 8 divisors (see below), whose sum is σ = 381800163996036. Its totient is φ = 84844480888000.

The previous prime is 212111202219977. The next prime is 212111202220031. The reversal of 212111202220010 is 10022202111212.

It can be written as a sum of positive squares in 2 ways, for example, as 211579628533729 + 531573686281 = 14545777^2 + 729091^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605560110991 + ... + 10605560111010.

Almost surely, 2^{212111202220010} is an apocalyptic number.

212111202220010 is a deficient number, since it is larger than the sum of its proper divisors (169688961776026).

212111202220010 is a wasteful number, since it uses less digits than its factorization.

212111202220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211120222008.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212111202220010 its reverse (10022202111212), we get a palindrome (222133404331222).

The spelling of 212111202220010 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred two million, two hundred twenty thousand, ten".