1011111110102 has 4 divisors (see below), whose sum is σ = 1516666665156. Its totient is φ = 505555555050.

The previous prime is 1011111110089. The next prime is 1011111110147. The reversal of 1011111110102 is 2010111111101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252777777524 + ... + 252777777527.

It is an arithmetic number, because the mean of its divisors is an integer number (379166666289).

Almost surely, 2^{1011111110102} is an apocalyptic number.

1011111110102 is a deficient number, since it is larger than the sum of its proper divisors (505555555054).

1011111110102 is an equidigital number, since it uses as much as digits as its factorization.

1011111110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505555555053.

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

Adding to 1011111110102 its reverse (2010111111101), we get a palindrome (3021222221203).

Subtracting 1011111110102 from its reverse (2010111111101), we obtain a palindrome (999000000999).

The spelling of 1011111110102 in words is "one trillion, eleven billion, one hundred eleven million, one hundred ten thousand, one hundred two".