20120020212111 has 8 divisors (see below), whose sum is σ = 26886441265200. Its totient is φ = 13383472983552.

The previous prime is 20120020212091. The next prime is 20120020212113. The reversal of 20120020212111 is 11121202002102.

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

It is not a de Polignac number, because 20120020212111 - 2⁷ = 20120020211983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120020212113) 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, 7468454560 + ... + 7468457253.

It is an arithmetic number, because the mean of its divisors is an integer number (3360805158150).

Almost surely, 2^{20120020212111} is an apocalyptic number.

20120020212111 is a deficient number, since it is larger than the sum of its proper divisors (6766421053089).

20120020212111 is a wasteful number, since it uses less digits than its factorization.

20120020212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936912265.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120020212111 its reverse (11121202002102), we get a palindrome (31241222214213).

The spelling of 20120020212111 in words is "twenty trillion, one hundred twenty billion, twenty million, two hundred twelve thousand, one hundred eleven".