21022301131 has 8 divisors (see below), whose sum is σ = 22666788144. Its totient is φ = 19381726560.

The previous prime is 21022301101. The next prime is 21022301161. The reversal of 21022301131 is 13110322012.

It is an interprime number because it is at equal distance from previous prime (21022301101) and next prime (21022301161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21022301131 - 2¹¹ = 21022299083 is a prime.

It is a super-3 number, since 3×21022301131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21022301101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966940 + ... + 988441.

It is an arithmetic number, because the mean of its divisors is an integer number (2833348518).

Almost surely, 2^21022301131 is an apocalyptic number.

21022301131 is a deficient number, since it is larger than the sum of its proper divisors (1644487013).

21022301131 is a wasteful number, since it uses less digits than its factorization.

21022301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956221.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21022301131 its reverse (13110322012), we get a palindrome (34132623143).

The spelling of 21022301131 in words is "twenty-one billion, twenty-two million, three hundred one thousand, one hundred thirty-one".