101221001122012 has 12 divisors (see below), whose sum is σ = 177448064361120. Its totient is φ = 50521554161696.

The previous prime is 101221001121983. The next prime is 101221001122019. The reversal of 101221001122012 is 210221100122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221001122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22236597268 + ... + 22236601819.

It is an arithmetic number, because the mean of its divisors is an integer number (14787338696760).

Almost surely, 2^{101221001122012} is an apocalyptic number.

It is an amenable number.

101221001122012 is a deficient number, since it is larger than the sum of its proper divisors (76227063239108).

101221001122012 is a wasteful number, since it uses less digits than its factorization.

101221001122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44473199660 (or 44473199658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101221001122012 its reverse (210221100122101), we get a palindrome (311442101244113).

The spelling of 101221001122012 in words is "one hundred one trillion, two hundred twenty-one billion, one million, one hundred twenty-two thousand, twelve".