211000112121000 has 1024 divisors, whose sum is σ = 720246878208000. Its totient is φ = 51243840000000.

The previous prime is 211000112120989. The next prime is 211000112121013. The reversal of 211000112121000 is 121211000112.

It is a super-2 number, since 2×211000112121000² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 159969758341 + ... + 159969759659.

It is an arithmetic number, because the mean of its divisors is an integer number (703366092000).

Almost surely, 2^{211000112121000} is an apocalyptic number.

211000112121000 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 211000112121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360123439104000).

211000112121000 is an abundant number, since it is smaller than the sum of its proper divisors (509246766087000).

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

211000112121000 is a wasteful number, since it uses less digits than its factorization.

211000112121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211000112121000 its reverse (121211000112), we get a palindrome (211121323121112).

It can be divided in two parts, 211000112 and 121000, that added together give a palindrome (211121112).

The spelling of 211000112121000 in words is "two hundred eleven trillion, one hundred twelve million, one hundred twenty-one thousand".