20212010112111 has 8 divisors (see below), whose sum is σ = 26951141943600. Its totient is φ = 13473775844352.

The previous prime is 20212010112079. The next prime is 20212010112137. The reversal of 20212010112111 is 11121101021202.

It is a happy number.

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

It is not a de Polignac number, because 20212010112111 - 2⁵ = 20212010112079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212010112181) 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, 224338386 + ... + 224428463.

It is an arithmetic number, because the mean of its divisors is an integer number (3368892742950).

Almost surely, 2^{20212010112111} is an apocalyptic number.

20212010112111 is a deficient number, since it is larger than the sum of its proper divisors (6739131831489).

20212010112111 is a wasteful number, since it uses less digits than its factorization.

20212010112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448781865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20212010112111 its reverse (11121101021202), we get a palindrome (31333111133313).

Subtracting from 20212010112111 its reverse (11121101021202), we obtain a palindrome (9090909090909).

The spelling of 20212010112111 in words is "twenty trillion, two hundred twelve billion, ten million, one hundred twelve thousand, one hundred eleven".