101221003042 has 16 divisors (see below), whose sum is σ = 153041404032. Its totient is φ = 50208799680.

The previous prime is 101221003027. The next prime is 101221003063. The reversal of 101221003042 is 240300122101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272478 + ... + 526009.

It is an arithmetic number, because the mean of its divisors is an integer number (9565087752).

Almost surely, 2^101221003042 is an apocalyptic number.

101221003042 is a deficient number, since it is larger than the sum of its proper divisors (51820400990).

101221003042 is a wasteful number, since it uses less digits than its factorization.

101221003042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798993.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101221003042 its reverse (240300122101), we get a palindrome (341521125143).

The spelling of 101221003042 in words is "one hundred one billion, two hundred twenty-one million, three thousand, forty-two".