2112021121210 has 576 divisors, whose sum is σ = 5444650068480. Its totient is φ = 573876864000.

The previous prime is 2112021121169. The next prime is 2112021121291. The reversal of 2112021121210 is 121211202112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5883067011 + ... + 5883067369.

It is an arithmetic number, because the mean of its divisors is an integer number (9452517480).

Almost surely, 2^{2112021121210} is an apocalyptic number.

2112021121210 is an abundant number, since it is smaller than the sum of its proper divisors (3332628947270).

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

2112021121210 is a wasteful number, since it uses less digits than its factorization.

2112021121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112021121210 its reverse (121211202112), we get a palindrome (2233232323322).

The spelling of 2112021121210 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred ten".