4021101133431 has 4 divisors (see below), whose sum is σ = 5361468177912. Its totient is φ = 2680734088952.

The previous prime is 4021101133429. The next prime is 4021101133451. The reversal of 4021101133431 is 1343311011204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4021101133431 - 2¹ = 4021101133429 is a prime.

It is a super-4 number, since 4×4021101133431⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021101133451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670183522236 + ... + 670183522241.

It is an arithmetic number, because the mean of its divisors is an integer number (1340367044478).

Almost surely, 2^{4021101133431} is an apocalyptic number.

4021101133431 is a deficient number, since it is larger than the sum of its proper divisors (1340367044481).

4021101133431 is a wasteful number, since it uses less digits than its factorization.

4021101133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340367044480.

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

Adding to 4021101133431 its reverse (1343311011204), we get a palindrome (5364412144635).

The spelling of 4021101133431 in words is "four trillion, twenty-one billion, one hundred one million, one hundred thirty-three thousand, four hundred thirty-one".