1111222102001 has 4 divisors (see below), whose sum is σ = 1212242293104. Its totient is φ = 1010201910900.

The previous prime is 1111222101989. The next prime is 1111222102027. The reversal of 1111222102001 is 1002012221111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111222102001 - 2¹⁰ = 1111222100977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111222102061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50510095535 + ... + 50510095556.

It is an arithmetic number, because the mean of its divisors is an integer number (303060573276).

Almost surely, 2^{1111222102001} is an apocalyptic number.

1111222102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111222102001 is a deficient number, since it is larger than the sum of its proper divisors (101020191103).

1111222102001 is a wasteful number, since it uses less digits than its factorization.

1111222102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101020191102.

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

Adding to 1111222102001 its reverse (1002012221111), we get a palindrome (2113234323112).

The spelling of 1111222102001 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred two thousand, one".