21010002202110 has 16 divisors (see below), whose sum is σ = 50424005285136. Its totient is φ = 5602667253888.

The previous prime is 21010002202043. The next prime is 21010002202121. The reversal of 21010002202110 is 1120220001012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350166703339 + ... + 350166703398.

It is an arithmetic number, because the mean of its divisors is an integer number (3151500330321).

Almost surely, 2^{21010002202110} is an apocalyptic number.

21010002202110 is an abundant number, since it is smaller than the sum of its proper divisors (29414003083026).

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

21010002202110 is a wasteful number, since it uses less digits than its factorization.

21010002202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700333406747.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21010002202110 its reverse (1120220001012), we get a palindrome (22130222203122).

The spelling of 21010002202110 in words is "twenty-one trillion, ten billion, two million, two hundred two thousand, one hundred ten".