2131421233011 has 16 divisors (see below), whose sum is σ = 3249312724224. Its totient is φ = 1217417709024.

The previous prime is 2131421232973. The next prime is 2131421233037. The reversal of 2131421233011 is 1103321241312.

It is not a de Polignac number, because 2131421233011 - 2³⁵ = 2097061494643 is a prime.

It is a super-3 number, since 3×2131421233011³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2131421233211) 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, 22337980 + ... + 22433193.

It is an arithmetic number, because the mean of its divisors is an integer number (203082045264).

Almost surely, 2^{2131421233011} is an apocalyptic number.

2131421233011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2131421233011 is a deficient number, since it is larger than the sum of its proper divisors (1117891491213).

2131421233011 is a wasteful number, since it uses less digits than its factorization.

2131421233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44773450.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2131421233011 its reverse (1103321241312), we get a palindrome (3234742474323).

The spelling of 2131421233011 in words is "two trillion, one hundred thirty-one billion, four hundred twenty-one million, two hundred thirty-three thousand, eleven".