20122012100111 has 8 divisors (see below), whose sum is σ = 20128086358944. Its totient is φ = 20115938764800.

The previous prime is 20122012100087. The next prime is 20122012100117. The reversal of 20122012100111 is 11100121022102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122012100111 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 (20122012100117) 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, 44659691 + ... + 45108003.

It is an arithmetic number, because the mean of its divisors is an integer number (2516010794868).

Almost surely, 2^{20122012100111} is an apocalyptic number.

20122012100111 is a deficient number, since it is larger than the sum of its proper divisors (6074258833).

20122012100111 is an equidigital number, since it uses as much as digits as its factorization.

20122012100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461761.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122012100111 its reverse (11100121022102), we get a palindrome (31222133122213).

The spelling of 20122012100111 in words is "twenty trillion, one hundred twenty-two billion, twelve million, one hundred thousand, one hundred eleven".