21110022010062 has 12 divisors (see below), whose sum is σ = 45738381021840. Its totient is φ = 7036674003348.

The previous prime is 21110022010061. The next prime is 21110022010093. The reversal of 21110022010062 is 26001022001112.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1172779000559 = 21110022010062 / (2 + 1 + 1 + 1 + 0 + 0 + 2 + 2 + 0 + 1 + 0 + 0 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110022010061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 586389500262 + ... + 586389500297.

It is an arithmetic number, because the mean of its divisors is an integer number (3811531751820).

Almost surely, 2^{21110022010062} is an apocalyptic number.

21110022010062 is an abundant number, since it is smaller than the sum of its proper divisors (24628359011778).

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

21110022010062 is a wasteful number, since it uses less digits than its factorization.

21110022010062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172779000567 (or 1172779000564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21110022010062 its reverse (26001022001112), we get a palindrome (47111044011174).

The spelling of 21110022010062 in words is "twenty-one trillion, one hundred ten billion, twenty-two million, ten thousand, sixty-two".