10211221013242 has 8 divisors (see below), whose sum is σ = 15427024552800. Its totient is φ = 5068879495644.

The previous prime is 10211221013239. The next prime is 10211221013249. The reversal of 10211221013242 is 24231012211201.

10211221013242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (10211221013249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18365505142 + ... + 18365505697.

It is an arithmetic number, because the mean of its divisors is an integer number (1928378069100).

Almost surely, 2^{10211221013242} is an apocalyptic number.

10211221013242 is a deficient number, since it is larger than the sum of its proper divisors (5215803539558).

10211221013242 is a wasteful number, since it uses less digits than its factorization.

10211221013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36731010980.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10211221013242 its reverse (24231012211201), we get a palindrome (34442233224443).

The spelling of 10211221013242 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, thirteen thousand, two hundred forty-two".