211330020121000 has 64 divisors (see below), whose sum is σ = 539467905936960. Its totient is φ = 76847280040000.

The previous prime is 211330020120983. The next prime is 211330020121013. The reversal of 211330020121000 is 121020033112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9605899006 + ... + 9605921005.

It is an arithmetic number, because the mean of its divisors is an integer number (8429186030265).

Almost surely, 2^{211330020121000} is an apocalyptic number.

211330020121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211330020121000 is an abundant number, since it is smaller than the sum of its proper divisors (328137885815960).

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

211330020121000 is a wasteful number, since it uses less digits than its factorization.

211330020121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19211820043 (or 19211820029 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211330020121000 its reverse (121020033112), we get a palindrome (211451040154112).

The spelling of 211330020121000 in words is "two hundred eleven trillion, three hundred thirty billion, twenty million, one hundred twenty-one thousand".