211211021201000 has 64 divisors (see below), whose sum is σ = 494237826351360. Its totient is φ = 84483718440000.

The previous prime is 211211021200961. The next prime is 211211021201003. The reversal of 211211021201000 is 102120112112.

It is a super-2 number, since 2×211211021201000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211211021201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131834765 + ... + 133427235.

It is an arithmetic number, because the mean of its divisors is an integer number (7722466036740).

Almost surely, 2^{211211021201000} is an apocalyptic number.

211211021201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211211021201000 is an abundant number, since it is smaller than the sum of its proper divisors (283026805150360).

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

211211021201000 is a wasteful number, since it uses less digits than its factorization.

211211021201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725123 (or 1725109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211211021201000 its reverse (102120112112), we get a palindrome (211313141313112).

The spelling of 211211021201000 in words is "two hundred eleven trillion, two hundred eleven billion, twenty-one million, two hundred one thousand".