10561521031122 has 8 divisors (see below), whose sum is σ = 21123042062256. Its totient is φ = 3520507010372.

The previous prime is 10561521031091. The next prime is 10561521031129. The reversal of 10561521031122 is 22113012516501.

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

10561521031122 is an admirable number.

It is a super-2 number, since 2×10561521031122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10561521031122.

It is not an unprimeable number, because it can be changed into a prime (10561521031129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880126752588 + ... + 880126752599.

It is an arithmetic number, because the mean of its divisors is an integer number (2640380257782).

Almost surely, 2^{10561521031122} is an apocalyptic number.

10561521031122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561521031122 is a wasteful number, since it uses less digits than its factorization.

10561521031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760253505192.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 10561521031122 its reverse (22113012516501), we get a palindrome (32674533547623).

The spelling of 10561521031122 in words is "ten trillion, five hundred sixty-one billion, five hundred twenty-one million, thirty-one thousand, one hundred twenty-two".