1010111021111 has 8 divisors (see below), whose sum is σ = 1017077887584. Its totient is φ = 1003147804800.

The previous prime is 1010111021081. The next prime is 1010111021113. The reversal of 1010111021111 is 1111201110101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1010111021111 - 2⁶ = 1010111021047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010111021092 and 1010111021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111021113) 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, 356006 + ... + 1465251.

It is an arithmetic number, because the mean of its divisors is an integer number (127134735948).

Almost surely, 2^{1010111021111} is an apocalyptic number.

1010111021111 is a deficient number, since it is larger than the sum of its proper divisors (6966866473).

1010111021111 is a wasteful number, since it uses less digits than its factorization.

1010111021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825081.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1010111021111 its reverse (1111201110101), we get a palindrome (2121312131212).

The spelling of 1010111021111 in words is "one trillion, ten billion, one hundred eleven million, twenty-one thousand, one hundred eleven".