22141213202021 has 4 divisors (see below), whose sum is σ = 22141327838700. Its totient is φ = 22141098565344.

The previous prime is 22141213201979. The next prime is 22141213202063. The reversal of 22141213202021 is 12020231214122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22141213201979) and next prime (22141213202063).

It can be written as a sum of positive squares in 2 ways, for example, as 19971737550625 + 2169475651396 = 4468975^2 + 1472914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22141213202021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141213202081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57028136 + ... + 57415073.

It is an arithmetic number, because the mean of its divisors is an integer number (5535331959675).

Almost surely, 2^{22141213202021} is an apocalyptic number.

It is an amenable number.

22141213202021 is a deficient number, since it is larger than the sum of its proper divisors (114636679).

22141213202021 is a wasteful number, since it uses less digits than its factorization.

22141213202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114636678.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 22141213202021 its reverse (12020231214122), we get a palindrome (34161444416143).

The spelling of 22141213202021 in words is "twenty-two trillion, one hundred forty-one billion, two hundred thirteen million, two hundred two thousand, twenty-one".