211021012102000 has 80 divisors (see below), whose sum is σ = 537104007741600. Its totient is φ = 79965857203200.

The previous prime is 211021012101989. The next prime is 211021012102001. The reversal of 211021012102000 is 201210120112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021012102001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776554265 + ... + 2776630264.

It is an arithmetic number, because the mean of its divisors is an integer number (6713800096770).

Almost surely, 2^{211021012102000} is an apocalyptic number.

211021012102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211021012102000 is an abundant number, since it is smaller than the sum of its proper divisors (326082995639600).

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

211021012102000 is a wasteful number, since it uses less digits than its factorization.

211021012102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553184571 (or 5553184555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211021012102000 its reverse (201210120112), we get a palindrome (211222222222112).

The spelling of 211021012102000 in words is "two hundred eleven trillion, twenty-one billion, twelve million, one hundred two thousand".