201101011131 has 32 divisors (see below), whose sum is σ = 291694722048. Its totient is φ = 122722629120.

The previous prime is 201101011123. The next prime is 201101011159. The reversal of 201101011131 is 131110101102.

It is not a de Polignac number, because 201101011131 - 2³ = 201101011123 is a prime.

It is a super-2 number, since 2×201101011131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201101019131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5133886 + ... + 5172908.

It is an arithmetic number, because the mean of its divisors is an integer number (9115460064).

Almost surely, 2^201101011131 is an apocalyptic number.

201101011131 is a deficient number, since it is larger than the sum of its proper divisors (90593710917).

201101011131 is a wasteful number, since it uses less digits than its factorization.

201101011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41811.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 201101011131 its reverse (131110101102), we get a palindrome (332211112233).

The spelling of 201101011131 in words is "two hundred one billion, one hundred one million, eleven thousand, one hundred thirty-one".