21010033011110 has 128 divisors (see below), whose sum is σ = 45637840886400. Its totient is φ = 6860597944320.

The previous prime is 21010033011101. The next prime is 21010033011127. The reversal of 21010033011110 is 1111033001012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363409886 + ... + 363467694.

It is an arithmetic number, because the mean of its divisors is an integer number (356545631925).

Almost surely, 2^{21010033011110} is an apocalyptic number.

21010033011110 is an abundant number, since it is smaller than the sum of its proper divisors (24627807875290).

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

21010033011110 is a wasteful number, since it uses less digits than its factorization.

21010033011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64746.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 21010033011110 its reverse (1111033001012), we get a palindrome (22121066012122).

The spelling of 21010033011110 in words is "twenty-one trillion, ten billion, thirty-three million, eleven thousand, one hundred ten".