211021012022000 has 80 divisors (see below), whose sum is σ = 510279948109152. Its totient is φ = 84403253273600.

The previous prime is 211021012021979. The next prime is 211021012022003. The reversal of 211021012022000 is 220210120112.

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 (211021012022003) 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, 29642504 + ... + 36065496.

Almost surely, 2^{211021012022000} is an apocalyptic number.

211021012022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211021012022000 is an abundant number, since it is smaller than the sum of its proper divisors (299258936087152).

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

211021012022000 is a wasteful number, since it uses less digits than its factorization.

211021012022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439443 (or 6439427 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211021012022000 its reverse (220210120112), we get a palindrome (211241222142112).

The spelling of 211021012022000 in words is "two hundred eleven trillion, twenty-one billion, twelve million, twenty-two thousand".