211020201021000 has 256 divisors, whose sum is σ = 759887631659520. Its totient is φ = 47755632000000.

The previous prime is 211020201020957. The next prime is 211020201021031. The reversal of 211020201021000 is 120102020112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47624451 + ... + 51866450.

It is an arithmetic number, because the mean of its divisors is an integer number (2968311061170).

Almost surely, 2^{211020201021000} is an apocalyptic number.

211020201021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020201021000 is an abundant number, since it is smaller than the sum of its proper divisors (548867430638520).

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

211020201021000 is a wasteful number, since it uses less digits than its factorization.

211020201021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99491033 (or 99491019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211020201021000 its reverse (120102020112), we get a palindrome (211140303041112).

The spelling of 211020201021000 in words is "two hundred eleven trillion, twenty billion, two hundred one million, twenty-one thousand".