2201023131132 has 96 divisors (see below), whose sum is σ = 5992369352704. Its totient is φ = 615780403200.

The previous prime is 2201023131107. The next prime is 2201023131143. The reversal of 2201023131132 is 2311313201022.

It is a super-2 number, since 2×2201023131132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2201023131099 and 2201023131108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179532 + ... + 2105772.

Almost surely, 2^{2201023131132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201023131132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996184676352).

2201023131132 is an abundant number, since it is smaller than the sum of its proper divisors (3791346221572).

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

2201023131132 is a wasteful number, since it uses less digits than its factorization.

2201023131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926539 (or 1926537 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2201023131132 its reverse (2311313201022), we get a palindrome (4512336332154).

The spelling of 2201023131132 in words is "two trillion, two hundred one billion, twenty-three million, one hundred thirty-one thousand, one hundred thirty-two".