21010212001110 has 16 divisors (see below), whose sum is σ = 50424508802736. Its totient is φ = 5602723200288.

The previous prime is 21010212001091. The next prime is 21010212001139. The reversal of 21010212001110 is 1110021201012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350170199989 + ... + 350170200048.

It is an arithmetic number, because the mean of its divisors is an integer number (3151531800171).

Almost surely, 2^{21010212001110} is an apocalyptic number.

21010212001110 is an abundant number, since it is smaller than the sum of its proper divisors (29414296801626).

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

21010212001110 is a wasteful number, since it uses less digits than its factorization.

21010212001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700340400047.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21010212001110 its reverse (1110021201012), we get a palindrome (22120233202122).

The spelling of 21010212001110 in words is "twenty-one trillion, ten billion, two hundred twelve million, one thousand, one hundred ten".