22125112104554 has 4 divisors (see below), whose sum is σ = 33187668156834. Its totient is φ = 11062556052276.

The previous prime is 22125112104547. The next prime is 22125112104581. The reversal of 22125112104554 is 45540121152122.

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

It can be written as a sum of positive squares in only one way, i.e., 21179112713929 + 945999390625 = 4602077^2 + 972625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531278026137 + ... + 5531278026140.

Almost surely, 2^{22125112104554} is an apocalyptic number.

22125112104554 is a deficient number, since it is larger than the sum of its proper divisors (11062556052280).

22125112104554 is a wasteful number, since it uses less digits than its factorization.

22125112104554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062556052279.

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 22125112104554 its reverse (45540121152122), we get a palindrome (67665233256676).

The spelling of 22125112104554 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred twelve million, one hundred four thousand, five hundred fifty-four".