1131101203001 has 16 divisors (see below), whose sum is σ = 1410302883840. Its totient is φ = 881315819280.

The previous prime is 1131101202961. The next prime is 1131101203003. The reversal of 1131101203001 is 1003021011311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131101203001 - 2²² = 1131097008697 is a prime.

It is a super-2 number, since 2×1131101203001² (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 (1131101203003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607610 + ... + 1622156.

It is an arithmetic number, because the mean of its divisors is an integer number (88143930240).

Almost surely, 2^{1131101203001} is an apocalyptic number.

1131101203001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131101203001 is a deficient number, since it is larger than the sum of its proper divisors (279201680839).

1131101203001 is a wasteful number, since it uses less digits than its factorization.

1131101203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029044.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1131101203001 its reverse (1003021011311), we get a palindrome (2134122214312).

The spelling of 1131101203001 in words is "one trillion, one hundred thirty-one billion, one hundred one million, two hundred three thousand, one".