211011220000 has 240 divisors, whose sum is σ = 599193346752. Its totient is φ = 71625600000.

The previous prime is 211011219967. The next prime is 211011220027. The reversal of 211011220000 is 22110112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14132539 + ... + 14147461.

Almost surely, 2^211011220000 is an apocalyptic number.

211011220000 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 211011220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299596673376).

211011220000 is an abundant number, since it is smaller than the sum of its proper divisors (388182126752).

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

211011220000 is a wasteful number, since it uses less digits than its factorization.

211011220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061 (or 15038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211011220000 its reverse (22110112), we get a palindrome (211033330112).

The spelling of 211011220000 in words is "two hundred eleven billion, eleven million, two hundred twenty thousand".