1111111120101 has 32 divisors (see below), whose sum is σ = 1613153041920. Its totient is φ = 677428448256.

The previous prime is 1111111120073. The next prime is 1111111120111. The reversal of 1111111120101 is 1010211111111.

It is not a de Polignac number, because 1111111120101 - 2⁹ = 1111111119589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111111120111) 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, 1039540 + ... + 1817378.

It is an arithmetic number, because the mean of its divisors is an integer number (50411032560).

Almost surely, 2^{1111111120101} is an apocalyptic number.

It is an amenable number.

1111111120101 is a deficient number, since it is larger than the sum of its proper divisors (502041921819).

1111111120101 is a wasteful number, since it uses less digits than its factorization.

1111111120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778653.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 1111111120101 its reverse (1010211111111), we get a palindrome (2121322231212).

The spelling of 1111111120101 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred one".