21111030130101 has 16 divisors (see below), whose sum is σ = 28157842341120. Its totient is φ = 14069119772160.

The previous prime is 21111030130033. The next prime is 21111030130117. The reversal of 21111030130101 is 10103103011112.

It is not a de Polignac number, because 21111030130101 - 2⁹ = 21111030129589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21111030130301) 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, 117960756 + ... + 118139586.

It is an arithmetic number, because the mean of its divisors is an integer number (1759865146320).

Almost surely, 2^{21111030130101} is an apocalyptic number.

It is an amenable number.

21111030130101 is a deficient number, since it is larger than the sum of its proper divisors (7046812211019).

21111030130101 is a wasteful number, since it uses less digits than its factorization.

21111030130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192316.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 21111030130101 its reverse (10103103011112), we get a palindrome (31214133141213).

The spelling of 21111030130101 in words is "twenty-one trillion, one hundred eleven billion, thirty million, one hundred thirty thousand, one hundred one".