20112202011 has 8 divisors (see below), whose sum is σ = 29254112064. Its totient is φ = 12189213320.

The previous prime is 20112202009. The next prime is 20112202037. The reversal of 20112202011 is 11020221102.

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 20112202011 - 2¹ = 20112202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112202051) 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, 304730301 + ... + 304730366.

It is an arithmetic number, because the mean of its divisors is an integer number (3656764008).

Almost surely, 2^20112202011 is an apocalyptic number.

20112202011 is a deficient number, since it is larger than the sum of its proper divisors (9141910053).

20112202011 is a wasteful number, since it uses less digits than its factorization.

20112202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609460681.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112202011 its reverse (11020221102), we get a palindrome (31132423113).

It can be divided in two parts, 2011 and 2202011, that added together give a palindrome (2204022).

The spelling of 20112202011 in words is "twenty billion, one hundred twelve million, two hundred two thousand, eleven".