220212222121211 has 8 divisors (see below), whose sum is σ = 220665184756224. Its totient is φ = 219759262689960.

The previous prime is 220212222121183. The next prime is 220212222121253. The reversal of 220212222121211 is 112121222212022.

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

It is a cyclic number.

It is not a de Polignac number, because 220212222121211 - 2¹⁴ = 220212222104827 is a prime.

It is a super-2 number, since 2×220212222121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212222121271) 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, 177639416 + ... + 178874778.

It is an arithmetic number, because the mean of its divisors is an integer number (27583148094528).

Almost surely, 2^{220212222121211} is an apocalyptic number.

220212222121211 is a deficient number, since it is larger than the sum of its proper divisors (452962635013).

220212222121211 is a wasteful number, since it uses less digits than its factorization.

220212222121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601881.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 220212222121211 its reverse (112121222212022), we get a palindrome (332333444333233).

The spelling of 220212222121211 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".