1122002100111 has 16 divisors (see below), whose sum is σ = 1521021398400. Its totient is φ = 735500068320.

The previous prime is 1122002100101. The next prime is 1122002100133. The reversal of 1122002100111 is 1110012002211.

It is not a de Polignac number, because 1122002100111 - 2⁹ = 1122002099599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122002100101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430161 + ... + 1558538.

It is an arithmetic number, because the mean of its divisors is an integer number (95063837400).

Almost surely, 2^{1122002100111} is an apocalyptic number.

1122002100111 is a deficient number, since it is larger than the sum of its proper divisors (399019298289).

1122002100111 is a wasteful number, since it uses less digits than its factorization.

1122002100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991846.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1122002100111 its reverse (1110012002211), we get a palindrome (2232014102322).

It can be divided in two parts, 1122002100 and 111, that added together give a palindrome (1122002211).

The spelling of 1122002100111 in words is "one trillion, one hundred twenty-two billion, two million, one hundred thousand, one hundred eleven".