101201131 has 2 divisors, whose sum is σ = 101201132. Its totient is φ = 101201130.

The previous prime is 101201129. The next prime is 101201171. The reversal of 101201131 is 131102101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101201131 - 2¹ = 101201129 is a prime.

It is a super-2 number, since 2×101201131² = 20483337831358322, which contains 22 as substring.

Together with 101201129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101201171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600565 + 50600566.

It is an arithmetic number, because the mean of its divisors is an integer number (50600566).

Almost surely, 2^101201131 is an apocalyptic number.

101201131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201131 is an equidigital number, since it uses as much as digits as its factorization.

101201131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101201131 is about 10059.8772855339. The cubic root of 101201131 is about 466.0098774822.

Adding to 101201131 its reverse (131102101), we get a palindrome (232303232).

It can be divided in two parts, 10120 and 1131, that multiplied together give a triangular number (11445720 = T₄₇₈₄).

The spelling of 101201131 in words is "one hundred one million, two hundred one thousand, one hundred thirty-one".