111210211000 has 256 divisors, whose sum is σ = 317497190400. Its totient is φ = 35610624000.

The previous prime is 111210210971. The next prime is 111210211003. The reversal of 111210211000 is 112012111.

111210211000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111210211000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210211003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9437112 + ... + 9448888.

It is an arithmetic number, because the mean of its divisors is an integer number (1240223400).

Almost surely, 2^111210211000 is an apocalyptic number.

111210211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111210211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158748595200).

111210211000 is an abundant number, since it is smaller than the sum of its proper divisors (206286979400).

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

111210211000 is a wasteful number, since it uses less digits than its factorization.

111210211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895 (or 11881 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111210211000 its reverse (112012111), we get a palindrome (111322223111).

The spelling of 111210211000 in words is "one hundred eleven billion, two hundred ten million, two hundred eleven thousand".