10214221042 has 4 divisors (see below), whose sum is σ = 15321331566. Its totient is φ = 5107110520.

The previous prime is 10214221033. The next prime is 10214221049. The reversal of 10214221042 is 24012241201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5119259401 + 5094961641 = 71549^2 + 71379^2 .

It is a super-2 number, since 2×10214221042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10214221049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553555259 + ... + 2553555262.

Almost surely, 2^10214221042 is an apocalyptic number.

10214221042 is a deficient number, since it is larger than the sum of its proper divisors (5107110524).

10214221042 is an equidigital number, since it uses as much as digits as its factorization.

10214221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107110523.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10214221042 its reverse (24012241201), we get a palindrome (34226462243).

The spelling of 10214221042 in words is "ten billion, two hundred fourteen million, two hundred twenty-one thousand, forty-two".