21200351031014 has 16 divisors (see below), whose sum is σ = 32051305843200. Its totient is φ = 10516584403584.

The previous prime is 21200351031011. The next prime is 21200351031023. The reversal of 21200351031014 is 41013015300212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200351031011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23087582 + ... + 23988270.

It is an arithmetic number, because the mean of its divisors is an integer number (2003206615200).

Almost surely, 2^{21200351031014} is an apocalyptic number.

21200351031014 is a deficient number, since it is larger than the sum of its proper divisors (10850954812186).

21200351031014 is a wasteful number, since it uses less digits than its factorization.

21200351031014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993487.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 21200351031014 its reverse (41013015300212), we get a palindrome (62213366331226).

The spelling of 21200351031014 in words is "twenty-one trillion, two hundred billion, three hundred fifty-one million, thirty-one thousand, fourteen".