20000000222011 has 4 divisors (see below), whose sum is σ = 20194174981552. Its totient is φ = 19805825462472.

The previous prime is 20000000221987. The next prime is 20000000222057. The reversal of 20000000222011 is 11022200000002.

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

It is a cyclic number.

It is not a de Polignac number, because 20000000222011 - 2⁵ = 20000000221979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000000022011) 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, 97087379616 + ... + 97087379821.

It is an arithmetic number, because the mean of its divisors is an integer number (5048543745388).

Almost surely, 2^{20000000222011} is an apocalyptic number.

20000000222011 is a deficient number, since it is larger than the sum of its proper divisors (194174759541).

20000000222011 is a wasteful number, since it uses less digits than its factorization.

20000000222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194174759540.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20000000222011 its reverse (11022200000002), we get a palindrome (31022200222013).

The spelling of 20000000222011 in words is "twenty trillion, two hundred twenty-two thousand, eleven".