2201123121132 has 48 divisors (see below), whose sum is σ = 5534903872512. Its totient is φ = 676793974080.

The previous prime is 2201123121107. The next prime is 2201123121133. The reversal of 2201123121132 is 2311213211022.

It is a super-2 number, since 2×2201123121132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201123121099 and 2201123121108.

It is not an unprimeable number, because it can be changed into a prime (2201123121133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4721244 + ... + 5166467.

It is an arithmetic number, because the mean of its divisors is an integer number (115310497344).

Almost surely, 2^{2201123121132} is an apocalyptic number.

It is an amenable number.

2201123121132 is an abundant number, since it is smaller than the sum of its proper divisors (3333780751380).

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

2201123121132 is a wasteful number, since it uses less digits than its factorization.

2201123121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889158 (or 9889156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2201123121132 its reverse (2311213211022), we get a palindrome (4512336332154).

The spelling of 2201123121132 in words is "two trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-two".