4221002010131 has 4 divisors (see below), whose sum is σ = 4221017494200. Its totient is φ = 4220986526064.

The previous prime is 4221002010107. The next prime is 4221002010139. The reversal of 4221002010131 is 1310102001224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4221002010131 is a prime.

It is a super-2 number, since 2×4221002010131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221002010139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7325666 + ... + 7880823.

It is an arithmetic number, because the mean of its divisors is an integer number (1055254373550).

Almost surely, 2^{4221002010131} is an apocalyptic number.

4221002010131 is a deficient number, since it is larger than the sum of its proper divisors (15484069).

4221002010131 is a wasteful number, since it uses less digits than its factorization.

4221002010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15484068.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 4221002010131 its reverse (1310102001224), we get a palindrome (5531104011355).

The spelling of 4221002010131 in words is "four trillion, two hundred twenty-one billion, two million, ten thousand, one hundred thirty-one".