1002221210111 has 16 divisors (see below), whose sum is σ = 1094407507968. Its totient is φ = 910214604000.

The previous prime is 1002221210099. The next prime is 1002221210173. The reversal of 1002221210111 is 1110121222001.

It is a cyclic number.

It is not a de Polignac number, because 1002221210111 - 2³⁰ = 1001147468287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002221213111) 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, 51131765 + ... + 51151361.

It is an arithmetic number, because the mean of its divisors is an integer number (68400469248).

Almost surely, 2^{1002221210111} is an apocalyptic number.

1002221210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002221210111 is a deficient number, since it is larger than the sum of its proper divisors (92186297857).

1002221210111 is a wasteful number, since it uses less digits than its factorization.

1002221210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23942.

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

Adding to 1002221210111 its reverse (1110121222001), we get a palindrome (2112342432112).

The spelling of 1002221210111 in words is "one trillion, two billion, two hundred twenty-one million, two hundred ten thousand, one hundred eleven".