1000110021111 has 32 divisors (see below), whose sum is σ = 1498889625600. Its totient is φ = 659024177760.

The previous prime is 1000110021109. The next prime is 1000110021121. The reversal of 1000110021111 is 1111200110001.

It is not a de Polignac number, because 1000110021111 - 2¹ = 1000110021109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000110021093 and 1000110021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000110021101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192030 + ... + 1427268.

It is an arithmetic number, because the mean of its divisors is an integer number (46840300800).

Almost surely, 2^{1000110021111} is an apocalyptic number.

1000110021111 is a deficient number, since it is larger than the sum of its proper divisors (498779604489).

1000110021111 is a wasteful number, since it uses less digits than its factorization.

1000110021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235596 (or 1235590 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1000110021111 its reverse (1111200110001), we get a palindrome (2111310131112).

The spelling of 1000110021111 in words is "one trillion, one hundred ten million, twenty-one thousand, one hundred eleven".