21221342114061 has 8 divisors (see below), whose sum is σ = 28345380588000. Its totient is φ = 14122432524752.

The previous prime is 21221342114003. The next prime is 21221342114101. The reversal of 21221342114061 is 16041124312212.

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 21221342114061 - 2⁹ = 21221342113549 is a prime.

It is a super-2 number, since 2×21221342114061² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21221342114461) 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, 6282219186 + ... + 6282222563.

It is an arithmetic number, because the mean of its divisors is an integer number (3543172573500).

Almost surely, 2^{21221342114061} is an apocalyptic number.

It is an amenable number.

21221342114061 is a deficient number, since it is larger than the sum of its proper divisors (7124038473939).

21221342114061 is a wasteful number, since it uses less digits than its factorization.

21221342114061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564442315.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 21221342114061 its reverse (16041124312212), we get a palindrome (37262466426273).

The spelling of 21221342114061 in words is "twenty-one trillion, two hundred twenty-one billion, three hundred forty-two million, one hundred fourteen thousand, sixty-one".