21211448023682 has 64 divisors (see below), whose sum is σ = 37040448614400. Its totient is φ = 8921651834880.

The previous prime is 21211448023631. The next prime is 21211448023709. The reversal of 21211448023682 is 28632084411212.

It is a super-2 number, since 2×21211448023682² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2611278473 + ... + 2611286595.

It is an arithmetic number, because the mean of its divisors is an integer number (578757009600).

Almost surely, 2^{21211448023682} is an apocalyptic number.

21211448023682 is a deficient number, since it is larger than the sum of its proper divisors (15829000590718).

21211448023682 is a wasteful number, since it uses less digits than its factorization.

21211448023682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 21211448023682 in words is "twenty-one trillion, two hundred eleven billion, four hundred forty-eight million, twenty-three thousand, six hundred eighty-two".