20002211010111 has 32 divisors (see below), whose sum is σ = 29134759104000. Its totient is φ = 12105626132480.

The previous prime is 20002211010109. The next prime is 20002211010137. The reversal of 20002211010111 is 11101011220002.

It is a cyclic number.

It is not a de Polignac number, because 20002211010111 - 2¹ = 20002211010109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002211010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176116735 + ... + 176230271.

It is an arithmetic number, because the mean of its divisors is an integer number (910461222000).

Almost surely, 2^{20002211010111} is an apocalyptic number.

20002211010111 is a deficient number, since it is larger than the sum of its proper divisors (9132548093889).

20002211010111 is a wasteful number, since it uses less digits than its factorization.

20002211010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120959.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20002211010111 its reverse (11101011220002), we get a palindrome (31103222230113).

The spelling of 20002211010111 in words is "twenty trillion, two billion, two hundred eleven million, ten thousand, one hundred eleven".