220212002111 has 4 divisors (see below), whose sum is σ = 233165649312. Its totient is φ = 207258354912.

The previous prime is 220212002083. The next prime is 220212002113. The reversal of 220212002111 is 111200212022.

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

It is a de Polignac number, because none of the positive numbers 2^k-220212002111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212002113) 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, 6476823575 + ... + 6476823608.

It is an arithmetic number, because the mean of its divisors is an integer number (58291412328).

Almost surely, 2^220212002111 is an apocalyptic number.

220212002111 is a deficient number, since it is larger than the sum of its proper divisors (12953647201).

220212002111 is a wasteful number, since it uses less digits than its factorization.

220212002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12953647200.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220212002111 its reverse (111200212022), we get a palindrome (331412214133).

The spelling of 220212002111 in words is "two hundred twenty billion, two hundred twelve million, two thousand, one hundred eleven".