2111520606131 has 8 divisors (see below), whose sum is σ = 2120479455600. Its totient is φ = 2102563388160.

The previous prime is 2111520606127. The next prime is 2111520606133. The reversal of 2111520606131 is 1316060251112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111520606131 - 2² = 2111520606127 is a prime.

It is a super-2 number, since 2×2111520606131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111520606094 and 2111520606103.

It is not an unprimeable number, because it can be changed into a prime (2111520606133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221940 + ... + 3026558.

It is an arithmetic number, because the mean of its divisors is an integer number (265059931950).

Almost surely, 2^{2111520606131} is an apocalyptic number.

2111520606131 is a deficient number, since it is larger than the sum of its proper divisors (8958849469).

2111520606131 is a wasteful number, since it uses less digits than its factorization.

2111520606131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815749.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 2111520606131 its reverse (1316060251112), we get a palindrome (3427580857243).

The spelling of 2111520606131 in words is "two trillion, one hundred eleven billion, five hundred twenty million, six hundred six thousand, one hundred thirty-one".