10211221674642 has 32 divisors (see below), whose sum is σ = 21497555448000. Its totient is φ = 3224559319488.

The previous prime is 10211221674611. The next prime is 10211221674659. The reversal of 10211221674642 is 24647612211201.

10211221674642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10211221674642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10495188 + ... + 11426784.

It is an arithmetic number, because the mean of its divisors is an integer number (671798607750).

Almost surely, 2^{10211221674642} is an apocalyptic number.

10211221674642 is an abundant number, since it is smaller than the sum of its proper divisors (11286333773358).

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

10211221674642 is a wasteful number, since it uses less digits than its factorization.

10211221674642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027770.

The product of its (nonzero) digits is 64512, while the sum is 39.

Adding to 10211221674642 its reverse (24647612211201), we get a palindrome (34858833885843).

The spelling of 10211221674642 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, six hundred seventy-four thousand, six hundred forty-two".