1111010010101 has 4 divisors (see below), whose sum is σ = 1113291345312. Its totient is φ = 1108728674892.

The previous prime is 1111010010023. The next prime is 1111010010139. The reversal of 1111010010101 is 1010100101111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111010010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010010181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140666875 + ... + 1140667848.

It is an arithmetic number, because the mean of its divisors is an integer number (278322836328).

Almost surely, 2^{1111010010101} is an apocalyptic number.

It is an amenable number.

1111010010101 is a deficient number, since it is larger than the sum of its proper divisors (2281335211).

1111010010101 is an equidigital number, since it uses as much as digits as its factorization.

1111010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281335210.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1111010010101 its reverse (1010100101111), we get a palindrome (2121110111212).

The spelling of 1111010010101 in words is "one trillion, one hundred eleven billion, ten million, ten thousand, one hundred one".