2021130042141 has 16 divisors (see below), whose sum is σ = 3137926967424. Its totient is φ = 1133140292544.

The previous prime is 2021130042137. The next prime is 2021130042157. The reversal of 2021130042141 is 1412400311202.

It is not a de Polignac number, because 2021130042141 - 2² = 2021130042137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021130042131) 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, 907963866 + ... + 907966091.

It is an arithmetic number, because the mean of its divisors is an integer number (196120435464).

Almost surely, 2^{2021130042141} is an apocalyptic number.

2021130042141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021130042141 is a deficient number, since it is larger than the sum of its proper divisors (1116796925283).

2021130042141 is a wasteful number, since it uses less digits than its factorization.

2021130042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815930020.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2021130042141 its reverse (1412400311202), we get a palindrome (3433530353343).

The spelling of 2021130042141 in words is "two trillion, twenty-one billion, one hundred thirty million, forty-two thousand, one hundred forty-one".