1131020101 has 8 divisors (see below), whose sum is σ = 1180698624. Its totient is φ = 1081383600.

The previous prime is 1131020083. The next prime is 1131020117. The reversal of 1131020101 is 1010201311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131027101) 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, 52651 + ... + 70951.

It is an arithmetic number, because the mean of its divisors is an integer number (147587328).

Almost surely, 2^1131020101 is an apocalyptic number.

It is an amenable number.

1131020101 is a deficient number, since it is larger than the sum of its proper divisors (49678523).

1131020101 is a wasteful number, since it uses less digits than its factorization.

1131020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011.

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

The square root of 1131020101 is about 33630.6422924095. The cubic root of 1131020101 is about 1041.8937699552.

Adding to 1131020101 its reverse (1010201311), we get a palindrome (2141221412).

The spelling of 1131020101 in words is "one billion, one hundred thirty-one million, twenty thousand, one hundred one".