211220200220122 has 8 divisors (see below), whose sum is σ = 316883791872576. Its totient is φ = 105592269595932.

The previous prime is 211220200220077. The next prime is 211220200220143. The reversal of 211220200220122 is 221022002022112.

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

It is a super-2 number, since 2×211220200220122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211220200220122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8915242258 + ... + 8915265949.

It is an arithmetic number, because the mean of its divisors is an integer number (39610473984072).

Almost surely, 2^{211220200220122} is an apocalyptic number.

211220200220122 is a deficient number, since it is larger than the sum of its proper divisors (105663591652454).

211220200220122 is a wasteful number, since it uses less digits than its factorization.

211220200220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830514132.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211220200220122 its reverse (221022002022112), we get a palindrome (432242202242234).

The spelling of 211220200220122 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred million, two hundred twenty thousand, one hundred twenty-two".