2120210121404 has 24 divisors (see below), whose sum is σ = 3830619047808. Its totient is φ = 1025757573120.

The previous prime is 2120210121383. The next prime is 2120210121413. The reversal of 2120210121404 is 4041210120212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 403877 + ... + 2098460.

It is an arithmetic number, because the mean of its divisors is an integer number (159609126992).

Almost surely, 2^{2120210121404} is an apocalyptic number.

It is an amenable number.

2120210121404 is a deficient number, since it is larger than the sum of its proper divisors (1710408926404).

2120210121404 is a wasteful number, since it uses less digits than its factorization.

2120210121404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509205 (or 2509203 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2120210121404 its reverse (4041210120212), we get a palindrome (6161420241616).

The spelling of 2120210121404 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, four hundred four".