211231203000 has 256 divisors, whose sum is σ = 664569360000. Its totient is φ = 55858176000.

The previous prime is 211231202971. The next prime is 211231203017. The reversal of 211231203000 is 302132112.

It is a super-2 number, since 2×211231203000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239762560 + ... + 239763440.

Almost surely, 2^211231203000 is an apocalyptic number.

211231203000 is a gapful number since it is divisible by the number (20) 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 211231203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332284680000).

211231203000 is an abundant number, since it is smaller than the sum of its proper divisors (453338157000).

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

211231203000 is a wasteful number, since it uses less digits than its factorization.

211231203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 211231203000 its reverse (302132112), we get a palindrome (211533335112).

The spelling of 211231203000 in words is "two hundred eleven billion, two hundred thirty-one million, two hundred three thousand".