2205501521122 has 4 divisors (see below), whose sum is σ = 3308252281686. Its totient is φ = 1102750760560.

The previous prime is 2205501521071. The next prime is 2205501521123. The reversal of 2205501521122 is 2211251055022.

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., 1104682979521 + 1100818541601 = 1051039^2 + 1049199^2 .

It is not an unprimeable number, because it can be changed into a prime (2205501521123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551375380279 + ... + 551375380282.

Almost surely, 2^{2205501521122} is an apocalyptic number.

2205501521122 is a deficient number, since it is larger than the sum of its proper divisors (1102750760564).

2205501521122 is a wasteful number, since it uses less digits than its factorization.

2205501521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102750760563.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 2205501521122 its reverse (2211251055022), we get a palindrome (4416752576144).

The spelling of 2205501521122 in words is "two trillion, two hundred five billion, five hundred one million, five hundred twenty-one thousand, one hundred twenty-two".