211001001201000 has 96 divisors (see below), whose sum is σ = 713183384089800. Its totient is φ = 56266933651200.

The previous prime is 211001001200981. The next prime is 211001001201007. The reversal of 211001001201000 is 102100100112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 131951582532324 + 79049418668676 = 11487018^2 + 8890974^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211001001201007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11722268845 + ... + 11722286844.

Almost surely, 2^{211001001201000} is an apocalyptic number.

211001001201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211001001201000 is an abundant number, since it is smaller than the sum of its proper divisors (502182382888800).

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

211001001201000 is a wasteful number, since it uses less digits than its factorization.

211001001201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23444555716 (or 23444555699 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211001001201000 its reverse (102100100112), we get a palindrome (211103101301112).

The spelling of 211001001201000 in words is "two hundred eleven trillion, one billion, one million, two hundred one thousand".