21121461016233 has 8 divisors (see below), whose sum is σ = 28181356675296. Its totient is φ = 14071269684000.

The previous prime is 21121461016181. The next prime is 21121461016237. The reversal of 21121461016233 is 33261016412112.

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

It is not a de Polignac number, because 21121461016233 - 2²¹ = 21121458919081 is a prime.

It is a super-3 number, since 3×21121461016233³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 21121461016194 and 21121461016203.

It is not an unprimeable number, because it can be changed into a prime (21121461016237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426076628 + ... + 2426085333.

It is an arithmetic number, because the mean of its divisors is an integer number (3522669584412).

Almost surely, 2^{21121461016233} is an apocalyptic number.

It is an amenable number.

21121461016233 is a deficient number, since it is larger than the sum of its proper divisors (7059895659063).

21121461016233 is a wasteful number, since it uses less digits than its factorization.

21121461016233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852163415.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 21121461016233 its reverse (33261016412112), we get a palindrome (54382477428345).

The spelling of 21121461016233 in words is "twenty-one trillion, one hundred twenty-one billion, four hundred sixty-one million, sixteen thousand, two hundred thirty-three".