21213611546102 has 8 divisors (see below), whose sum is σ = 31826195512056. Its totient is φ = 10604879708752.

The previous prime is 21213611546081. The next prime is 21213611546111. The reversal of 21213611546102 is 20164511631212.

It is a happy number.

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

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, 963018383 + ... + 963040410.

It is an arithmetic number, because the mean of its divisors is an integer number (3978274439007).

Almost surely, 2^{21213611546102} is an apocalyptic number.

21213611546102 is a deficient number, since it is larger than the sum of its proper divisors (10612583965954).

21213611546102 is a wasteful number, since it uses less digits than its factorization.

21213611546102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926064302.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 21213611546102 in words is "twenty-one trillion, two hundred thirteen billion, six hundred eleven million, five hundred forty-six thousand, one hundred two".