22131221352103 has 2 divisors, whose sum is σ = 22131221352104. Its totient is φ = 22131221352102.

The previous prime is 22131221352101. The next prime is 22131221352127. The reversal of 22131221352103 is 30125312213122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22131221352103 - 2¹ = 22131221352101 is a prime.

Together with 22131221352101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131221352101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065610676051 + 11065610676052.

It is an arithmetic number, because the mean of its divisors is an integer number (11065610676052).

Almost surely, 2^{22131221352103} is an apocalyptic number.

22131221352103 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131221352103 is an equidigital number, since it uses as much as digits as its factorization.

22131221352103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 22131221352103 its reverse (30125312213122), we get a palindrome (52256533565225).

The spelling of 22131221352103 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, three hundred fifty-two thousand, one hundred three".