10000020212111 has 4 divisors (see below), whose sum is σ = 10526337065400. Its totient is φ = 9473703358824.

The previous prime is 10000020212047. The next prime is 10000020212113. The reversal of 10000020212111 is 11121202000001.

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 10000020212111 - 2⁶ = 10000020212047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000020212092 and 10000020212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000020212113) 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, 263158426616 + ... + 263158426653.

It is an arithmetic number, because the mean of its divisors is an integer number (2631584266350).

Almost surely, 2^{10000020212111} is an apocalyptic number.

10000020212111 is a deficient number, since it is larger than the sum of its proper divisors (526316853289).

10000020212111 is an equidigital number, since it uses as much as digits as its factorization.

10000020212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526316853288.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10000020212111 its reverse (11121202000001), we get a palindrome (21121222212112).

The spelling of 10000020212111 in words is "ten trillion, twenty million, two hundred twelve thousand, one hundred eleven".