1019109110102 has 4 divisors (see below), whose sum is σ = 1528663665156. Its totient is φ = 509554555050.

The previous prime is 1019109110101. The next prime is 1019109110143. The reversal of 1019109110102 is 2010119019101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019109110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254777277524 + ... + 254777277527.

It is an arithmetic number, because the mean of its divisors is an integer number (382165916289).

Almost surely, 2^{1019109110102} is an apocalyptic number.

1019109110102 is a deficient number, since it is larger than the sum of its proper divisors (509554555054).

1019109110102 is an equidigital number, since it uses as much as digits as its factorization.

1019109110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509554555053.

The product of its (nonzero) digits is 162, while the sum is 26.

It can be divided in two parts, 1019109 and 110102, that added together give a palindrome (1129211).

The spelling of 1019109110102 in words is "one trillion, nineteen billion, one hundred nine million, one hundred ten thousand, one hundred two".