10111020012122 has 8 divisors (see below), whose sum is σ = 16058678842836. Its totient is φ = 4758127064512.

The previous prime is 10111020012109. The next prime is 10111020012179. The reversal of 10111020012122 is 22121002011101.

It can be written as a sum of positive squares in 2 ways, for example, as 8585550472321 + 1525469539801 = 2930111^2 + 1235099^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10111020012097 and 10111020012106.

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, 148691470733 + ... + 148691470800.

Almost surely, 2^{10111020012122} is an apocalyptic number.

10111020012122 is a deficient number, since it is larger than the sum of its proper divisors (5947658830714).

10111020012122 is a wasteful number, since it uses less digits than its factorization.

10111020012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297382941552.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111020012122 its reverse (22121002011101), we get a palindrome (32232022023223).

The spelling of 10111020012122 in words is "ten trillion, one hundred eleven billion, twenty million, twelve thousand, one hundred twenty-two".