20123111132102 has 16 divisors (see below), whose sum is σ = 32937399744912. Its totient is φ = 9144459685920.

The previous prime is 20123111132093. The next prime is 20123111132141.

20123111132102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120365093 + ... + 120532160.

It is an arithmetic number, because the mean of its divisors is an integer number (2058587484057).

Almost surely, 2^{20123111132102} is an apocalyptic number.

20123111132102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20123111132102 is a deficient number, since it is larger than the sum of its proper divisors (12814288612810).

20123111132102 is a wasteful number, since it uses less digits than its factorization.

20123111132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240901063.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2012311 and 1132102, that added together give a palindrome (3144413).

The spelling of 20123111132102 in words is "twenty trillion, one hundred twenty-three billion, one hundred eleven million, one hundred thirty-two thousand, one hundred two".