2212011020221 has 8 divisors (see below), whose sum is σ = 2213277786720. Its totient is φ = 2210744408208.

The previous prime is 2212011020183. The next prime is 2212011020243. The reversal of 2212011020221 is 1220201102122.

It is a happy number.

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 2212011020221 - 2²⁷ = 2211876802493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212011020195 and 2212011020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212011020251) 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, 40259050 + ... + 40313956.

It is an arithmetic number, because the mean of its divisors is an integer number (276659723340).

Almost surely, 2^{2212011020221} is an apocalyptic number.

It is an amenable number.

2212011020221 is a deficient number, since it is larger than the sum of its proper divisors (1266766499).

2212011020221 is a wasteful number, since it uses less digits than its factorization.

2212011020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212011020221 its reverse (1220201102122), we get a palindrome (3432212122343).

The spelling of 2212011020221 in words is "two trillion, two hundred twelve billion, eleven million, twenty thousand, two hundred twenty-one".