1111210222001 has 4 divisors (see below), whose sum is σ = 1212229333104. Its totient is φ = 1010191110900.

The previous prime is 1111210221991. The next prime is 1111210222019. The reversal of 1111210222001 is 1002220121111.

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 1111210222001 - 2³⁰ = 1110136480177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111210222081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50509555535 + ... + 50509555556.

It is an arithmetic number, because the mean of its divisors is an integer number (303057333276).

Almost surely, 2^{1111210222001} is an apocalyptic number.

1111210222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111210222001 is a deficient number, since it is larger than the sum of its proper divisors (101019111103).

1111210222001 is a wasteful number, since it uses less digits than its factorization.

1111210222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101019111102.

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

Adding to 1111210222001 its reverse (1002220121111), we get a palindrome (2113430343112).

The spelling of 1111210222001 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, one".