1002211112111 has 16 divisors (see below), whose sum is σ = 1165432358400. Its totient is φ = 852222384000.

The previous prime is 1002211112107. The next prime is 1002211112129. The reversal of 1002211112111 is 1112111122001.

It is a cyclic number.

It is not a de Polignac number, because 1002211112111 - 2² = 1002211112107 is a prime.

It is a super-2 number, since 2×1002211112111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211112141) 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, 30333290 + ... + 30366311.

It is an arithmetic number, because the mean of its divisors is an integer number (72839522400).

Almost surely, 2^{1002211112111} is an apocalyptic number.

1002211112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002211112111 is a deficient number, since it is larger than the sum of its proper divisors (163221246289).

1002211112111 is a wasteful number, since it uses less digits than its factorization.

1002211112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60699710.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1002211112111 its reverse (1112111122001), we get a palindrome (2114322234112).

The spelling of 1002211112111 in words is "one trillion, two billion, two hundred eleven million, one hundred twelve thousand, one hundred eleven".