131220212002011 has 24 divisors (see below), whose sum is σ = 213441283261440. Its totient is φ = 76962001172400.

The previous prime is 131220212001961. The next prime is 131220212002039. The reversal of 131220212002011 is 110200212022131.

131220212002011 is a `hidden beast` number, since 1 + 31 + 220 + 212 + 0 + 0 + 201 + 1 = 666.

It is not a de Polignac number, because 131220212002011 - 2⁶ = 131220212001947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131220212002081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21378330591 + ... + 21378336728.

It is an arithmetic number, because the mean of its divisors is an integer number (8893386802560).

Almost surely, 2^{131220212002011} is an apocalyptic number.

131220212002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131220212002011 is a deficient number, since it is larger than the sum of its proper divisors (82221071259429).

131220212002011 is a wasteful number, since it uses less digits than its factorization.

131220212002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42756667367 (or 42756667364 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131220212002011 its reverse (110200212022131), we get a palindrome (241420424024142).

The spelling of 131220212002011 in words is "one hundred thirty-one trillion, two hundred twenty billion, two hundred twelve million, two thousand, eleven".