1000220101111 has 8 divisors (see below), whose sum is σ = 1247027658624. Its totient is φ = 779392286520.

The previous prime is 1000220101099. The next prime is 1000220101121. The reversal of 1000220101111 is 1111010220001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000220101111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220101121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6494935645 + ... + 6494935798.

It is an arithmetic number, because the mean of its divisors is an integer number (155878457328).

Almost surely, 2^{1000220101111} is an apocalyptic number.

1000220101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000220101111 is a deficient number, since it is larger than the sum of its proper divisors (246807557513).

1000220101111 is a wasteful number, since it uses less digits than its factorization.

1000220101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12989871461.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000220101111 its reverse (1111010220001), we get a palindrome (2111230321112).

The spelling of 1000220101111 in words is "one trillion, two hundred twenty million, one hundred one thousand, one hundred eleven".