101221024442 has 8 divisors (see below), whose sum is σ = 151874940000. Its totient is φ = 50596044444.

The previous prime is 101221024433. The next prime is 101221024469. The reversal of 101221024442 is 244420122101.

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

It is a super-2 number, since 2×101221024442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7225142 + ... + 7239137.

It is an arithmetic number, because the mean of its divisors is an integer number (18984367500).

Almost surely, 2^101221024442 is an apocalyptic number.

101221024442 is a deficient number, since it is larger than the sum of its proper divisors (50653915558).

101221024442 is a wasteful number, since it uses less digits than its factorization.

101221024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467780.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101221024442 its reverse (244420122101), we get a palindrome (345641146543).

The spelling of 101221024442 in words is "one hundred one billion, two hundred twenty-one million, twenty-four thousand, four hundred forty-two".