2222020111211 has 4 divisors (see below), whose sum is σ = 2232551012424. Its totient is φ = 2211489210000.

The previous prime is 2222020111133. The next prime is 2222020111217. The reversal of 2222020111211 is 1121110202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222020111211 is a prime.

It is a super-2 number, since 2×2222020111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222020111211.

It is not an unprimeable number, because it can be changed into a prime (2222020111217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5265450290 + ... + 5265450711.

It is an arithmetic number, because the mean of its divisors is an integer number (558137753106).

Almost surely, 2^{2222020111211} is an apocalyptic number.

2222020111211 is a deficient number, since it is larger than the sum of its proper divisors (10530901213).

2222020111211 is a wasteful number, since it uses less digits than its factorization.

2222020111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530901212.

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

Adding to 2222020111211 its reverse (1121110202222), we get a palindrome (3343130313433).

The spelling of 2222020111211 in words is "two trillion, two hundred twenty-two billion, twenty million, one hundred eleven thousand, two hundred eleven".