20001101131102 has 64 divisors (see below), whose sum is σ = 37014811585920. Its totient is φ = 7893323956224.

The previous prime is 20001101131073. The next prime is 20001101131159. The reversal of 20001101131102 is 20113110110002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130861158 + ... + 131013910.

It is an arithmetic number, because the mean of its divisors is an integer number (578356431030).

Almost surely, 2^{20001101131102} is an apocalyptic number.

20001101131102 is a deficient number, since it is larger than the sum of its proper divisors (17013710454818).

20001101131102 is a wasteful number, since it uses less digits than its factorization.

20001101131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154517.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20001101131102 its reverse (20113110110002), we get a palindrome (40114211241104).

The spelling of 20001101131102 in words is "twenty trillion, one billion, one hundred one million, one hundred thirty-one thousand, one hundred two".