2101111213230 has 24 divisors (see below), whose sum is σ = 5462889154632. Its totient is φ = 560296323504.

The previous prime is 2101111213169. The next prime is 2101111213247. The reversal of 2101111213230 is 323121111012.

2101111213230 is a `hidden beast` number, since 210 + 1 + 1 + 11 + 213 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11672839984 + ... + 11672840163.

It is an arithmetic number, because the mean of its divisors is an integer number (227620381443).

Almost surely, 2^{2101111213230} is an apocalyptic number.

2101111213230 is an abundant number, since it is smaller than the sum of its proper divisors (3361777941402).

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

2101111213230 is a wasteful number, since it uses less digits than its factorization.

2101111213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23345680160 (or 23345680157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2101111213230 its reverse (323121111012), we get a palindrome (2424232324242).

The spelling of 2101111213230 in words is "two trillion, one hundred one billion, one hundred eleven million, two hundred thirteen thousand, two hundred thirty".