21622141122051 has 8 divisors (see below), whose sum is σ = 28829542973440. Its totient is φ = 14414750009352.

The previous prime is 21622141122047. The next prime is 21622141122067. The reversal of 21622141122051 is 15022114122612.

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

It is not a de Polignac number, because 21622141122051 - 2² = 21622141122047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21622141122011) 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, 6680766 + ... + 9374268.

It is an arithmetic number, because the mean of its divisors is an integer number (3603692871680).

Almost surely, 2^{21622141122051} is an apocalyptic number.

21622141122051 is a deficient number, since it is larger than the sum of its proper divisors (7207401851389).

21622141122051 is a wasteful number, since it uses less digits than its factorization.

21622141122051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369345.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 21622141122051 its reverse (15022114122612), we get a palindrome (36644255244663).

The spelling of 21622141122051 in words is "twenty-one trillion, six hundred twenty-two billion, one hundred forty-one million, one hundred twenty-two thousand, fifty-one".