21233201020102 has 8 divisors (see below), whose sum is σ = 31918890038112. Its totient is φ = 10593571007400.

The previous prime is 21233201020093. The next prime is 21233201020159. The reversal of 21233201020102 is 20102010233212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21233201020102² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21233201020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11514750174 + ... + 11514752017.

It is an arithmetic number, because the mean of its divisors is an integer number (3989861254764).

Almost surely, 2^{21233201020102} is an apocalyptic number.

21233201020102 is a deficient number, since it is larger than the sum of its proper divisors (10685689018010).

21233201020102 is a wasteful number, since it uses less digits than its factorization.

21233201020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23029502654.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21233201020102 its reverse (20102010233212), we get a palindrome (41335211253314).

The spelling of 21233201020102 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred one million, twenty thousand, one hundred two".