213103001112 has 64 divisors (see below), whose sum is σ = 534386160000. Its totient is φ = 70817412864.

The previous prime is 213103001099. The next prime is 213103001117. The reversal of 213103001112 is 211100301312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213103001091 and 213103001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103001117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17078908 + ... + 17091380.

It is an arithmetic number, because the mean of its divisors is an integer number (8349783750).

Almost surely, 2^213103001112 is an apocalyptic number.

It is an amenable number.

213103001112 is an abundant number, since it is smaller than the sum of its proper divisors (321283158888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213103001112 is a wasteful number, since it uses less digits than its factorization.

213103001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600 (or 14596 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 213103001112 its reverse (211100301312), we get a palindrome (424203302424).

The spelling of 213103001112 in words is "two hundred thirteen billion, one hundred three million, one thousand, one hundred twelve".