213101211000 has 64 divisors (see below), whose sum is σ = 664875787680. Its totient is φ = 56826988800.

The previous prime is 213101210977. The next prime is 213101211041. The reversal of 213101211000 is 112101312.

It is a super-2 number, since 2×213101211000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35513869 + ... + 35519868.

Almost surely, 2^213101211000 is an apocalyptic number.

213101211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213101211000 is an abundant number, since it is smaller than the sum of its proper divisors (451774576680).

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

213101211000 is a wasteful number, since it uses less digits than its factorization.

213101211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71033761 (or 71033747 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 213101211000 its reverse (112101312), we get a palindrome (213213312312).

The spelling of 213101211000 in words is "two hundred thirteen billion, one hundred one million, two hundred eleven thousand".