2521211322210 has 48 divisors (see below), whose sum is σ = 7038810389376. Its totient is φ = 576276873312.

The previous prime is 2521211322121. The next prime is 2521211322251. The reversal of 2521211322210 is 122231121252.

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 23 ways as a sum of consecutive naturals, for example, 857553402 + ... + 857556341.

It is an arithmetic number, because the mean of its divisors is an integer number (146641883112).

Almost surely, 2^{2521211322210} is an apocalyptic number.

2521211322210 is an abundant number, since it is smaller than the sum of its proper divisors (4517599067166).

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

2521211322210 is a wasteful number, since it uses less digits than its factorization.

2521211322210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715109767 (or 1715109760 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2521211322210 its reverse (122231121252), we get a palindrome (2643442443462).

The spelling of 2521211322210 in words is "two trillion, five hundred twenty-one billion, two hundred eleven million, three hundred twenty-two thousand, two hundred ten".