20000012200111 has 4 divisors (see below), whose sum is σ = 20338995457800. Its totient is φ = 19661028942424.

The previous prime is 20000012200109. The next prime is 20000012200127. The reversal of 20000012200111 is 11100221000002.

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 20000012200111 - 2¹ = 20000012200109 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 (20000012200171) 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, 169491628756 + ... + 169491628873.

It is an arithmetic number, because the mean of its divisors is an integer number (5084748864450).

Almost surely, 2^{20000012200111} is an apocalyptic number.

20000012200111 is a deficient number, since it is larger than the sum of its proper divisors (338983257689).

20000012200111 is an equidigital number, since it uses as much as digits as its factorization.

20000012200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338983257688.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000012200111 its reverse (11100221000002), we get a palindrome (31100233200113).

The spelling of 20000012200111 in words is "twenty trillion, twelve million, two hundred thousand, one hundred eleven".