101111012221012 has 48 divisors (see below), whose sum is σ = 189452419248960. Its totient is φ = 47051133120000.

The previous prime is 101111012221003. The next prime is 101111012221031. The reversal of 101111012221012 is 210122210111101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18936939 + ... + 23681842.

It is an arithmetic number, because the mean of its divisors is an integer number (3946925401020).

Almost surely, 2^{101111012221012} is an apocalyptic number.

It is an amenable number.

101111012221012 is a deficient number, since it is larger than the sum of its proper divisors (88341407027948).

101111012221012 is a wasteful number, since it uses less digits than its factorization.

101111012221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42619192 (or 42619190 counting only the distinct ones).

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

Adding to 101111012221012 its reverse (210122210111101), we get a palindrome (311233222332113).

The spelling of 101111012221012 in words is "one hundred one trillion, one hundred eleven billion, twelve million, two hundred twenty-one thousand, twelve".