11112122002101 has 16 divisors (see below), whose sum is σ = 14874474288960. Its totient is φ = 7378976102400.

The previous prime is 11112122002027. The next prime is 11112122002159. The reversal of 11112122002101 is 10120022121111.

It is a happy number.

It is not a de Polignac number, because 11112122002101 - 2²² = 11112117807797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112122102101) 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 15 ways as a sum of consecutive naturals, for example, 5442700 + ... + 7200501.

It is an arithmetic number, because the mean of its divisors is an integer number (929654643060).

Almost surely, 2^{11112122002101} is an apocalyptic number.

It is an amenable number.

11112122002101 is a deficient number, since it is larger than the sum of its proper divisors (3762352286859).

11112122002101 is a wasteful number, since it uses less digits than its factorization.

11112122002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644356.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112122002101 its reverse (10120022121111), we get a palindrome (21232144123212).

The spelling of 11112122002101 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, two thousand, one hundred one".