21112300230131 has 16 divisors (see below), whose sum is σ = 23085174244608. Its totient is φ = 19148380970400.

The previous prime is 21112300230113. The next prime is 21112300230167. The reversal of 21112300230131 is 13103200321112.

It is a happy number.

It is not a de Polignac number, because 21112300230131 - 2²² = 21112296035827 is a prime.

It is a super-2 number, since 2×21112300230131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112300230031) 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, 15796385 + ... + 17080701.

It is an arithmetic number, because the mean of its divisors is an integer number (1442823390288).

Almost surely, 2^{21112300230131} is an apocalyptic number.

21112300230131 is a deficient number, since it is larger than the sum of its proper divisors (1972874014477).

21112300230131 is a wasteful number, since it uses less digits than its factorization.

21112300230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287802.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21112300230131 its reverse (13103200321112), we get a palindrome (34215500551243).

The spelling of 21112300230131 in words is "twenty-one trillion, one hundred twelve billion, three hundred million, two hundred thirty thousand, one hundred thirty-one".