20212211022211 has 8 divisors (see below), whose sum is σ = 21780054095184. Its totient is φ = 18646233322080.

The previous prime is 20212211022209. The next prime is 20212211022221. The reversal of 20212211022211 is 11222011221202.

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

It is not a de Polignac number, because 20212211022211 - 2¹ = 20212211022209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212211022221) 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, 466320700 + ... + 466364041.

It is an arithmetic number, because the mean of its divisors is an integer number (2722506761898).

Almost surely, 2^{20212211022211} is an apocalyptic number.

20212211022211 is a deficient number, since it is larger than the sum of its proper divisors (1567843072973).

20212211022211 is a wasteful number, since it uses less digits than its factorization.

20212211022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932686421.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212211022211 its reverse (11222011221202), we get a palindrome (31434222243413).

The spelling of 20212211022211 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, twenty-two thousand, two hundred eleven".