21130023001101 has 16 divisors (see below), whose sum is σ = 32983450539648. Its totient is φ = 11779803763200.

The previous prime is 21130023001099. The next prime is 21130023001127. The reversal of 21130023001101 is 10110032003112.

It is a happy number.

It is not a de Polignac number, because 21130023001101 - 2¹ = 21130023001099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130023001141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12270628060 + ... + 12270629781.

It is an arithmetic number, because the mean of its divisors is an integer number (2061465658728).

Almost surely, 2^{21130023001101} is an apocalyptic number.

21130023001101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21130023001101 is a deficient number, since it is larger than the sum of its proper divisors (11853427538547).

21130023001101 is a wasteful number, since it uses less digits than its factorization.

21130023001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24541257892.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 21130023001101 its reverse (10110032003112), we get a palindrome (31240055004213).

The spelling of 21130023001101 in words is "twenty-one trillion, one hundred thirty billion, twenty-three million, one thousand, one hundred one".