21011455112422 has 8 divisors (see below), whose sum is σ = 31517236821456. Its totient is φ = 10505709505272.

The previous prime is 21011455112377. The next prime is 21011455112497. The reversal of 21011455112422 is 22421155411012.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7520253 + ... + 9928600.

It is an arithmetic number, because the mean of its divisors is an integer number (3939654602682).

Almost surely, 2^{21011455112422} is an apocalyptic number.

21011455112422 is a deficient number, since it is larger than the sum of its proper divisors (10505781709034).

21011455112422 is a wasteful number, since it uses less digits than its factorization.

21011455112422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050942.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 21011455112422 in words is "twenty-one trillion, eleven billion, four hundred fifty-five million, one hundred twelve thousand, four hundred twenty-two".