22503145331211 has 32 divisors (see below), whose sum is σ = 30107604054528. Its totient is φ = 14950505675520.

The previous prime is 22503145331209. The next prime is 22503145331309. The reversal of 22503145331211 is 11213354130522.

It is a happy number.

It is not a de Polignac number, because 22503145331211 - 2¹ = 22503145331209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22503145321211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772343525 + ... + 2772351641.

It is an arithmetic number, because the mean of its divisors is an integer number (940862626704).

Almost surely, 2^{22503145331211} is an apocalyptic number.

22503145331211 is a deficient number, since it is larger than the sum of its proper divisors (7604458723317).

22503145331211 is a wasteful number, since it uses less digits than its factorization.

22503145331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 22503145331211 its reverse (11213354130522), we get a palindrome (33716499461733).

The spelling of 22503145331211 in words is "twenty-two trillion, five hundred three billion, one hundred forty-five million, three hundred thirty-one thousand, two hundred eleven".