212111101321000 has 128 divisors (see below), whose sum is σ = 585543936706560. Its totient is φ = 70377876864000.

The previous prime is 212111101320977. The next prime is 212111101321019. The reversal of 212111101321000 is 123101111212.

It is a happy number.

It is a super-2 number, since 2×212111101321000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488518257 + ... + 488952256.

It is an arithmetic number, because the mean of its divisors is an integer number (4574562005520).

Almost surely, 2^{212111101321000} is an apocalyptic number.

212111101321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111101321000 is an abundant number, since it is smaller than the sum of its proper divisors (373432835385560).

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

212111101321000 is a wasteful number, since it uses less digits than its factorization.

212111101321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977470572 (or 977470558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 212111101321000 its reverse (123101111212), we get a palindrome (212234202432212).

The spelling of 212111101321000 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred one million, three hundred twenty-one thousand".