2201021001131 has 4 divisors (see below), whose sum is σ = 2201025063000. Its totient is φ = 2201016939264.

The previous prime is 2201021001103. The next prime is 2201021001139. The reversal of 2201021001131 is 1311001201022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201021001131 is a prime.

It is a super-2 number, since 2×2201021001131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201021001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064981 + ... + 2352918.

It is an arithmetic number, because the mean of its divisors is an integer number (550256265750).

Almost surely, 2^{2201021001131} is an apocalyptic number.

2201021001131 is a deficient number, since it is larger than the sum of its proper divisors (4061869).

2201021001131 is an equidigital number, since it uses as much as digits as its factorization.

2201021001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061868.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2201021001131 its reverse (1311001201022), we get a palindrome (3512022202153).

The spelling of 2201021001131 in words is "two trillion, two hundred one billion, twenty-one million, one thousand, one hundred thirty-one".