10621143542101 has 4 divisors (see below), whose sum is σ = 10724261440672. Its totient is φ = 10518025643532.

The previous prime is 10621143542063. The next prime is 10621143542137. The reversal of 10621143542101 is 10124534112601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10621143542101 - 2³⁷ = 10483704588629 is a prime.

It is a super-2 number, since 2×10621143542101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621143542161) 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, 51558949131 + ... + 51558949336.

It is an arithmetic number, because the mean of its divisors is an integer number (2681065360168).

Almost surely, 2^{10621143542101} is an apocalyptic number.

It is an amenable number.

10621143542101 is a deficient number, since it is larger than the sum of its proper divisors (103117898571).

10621143542101 is a wasteful number, since it uses less digits than its factorization.

10621143542101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103117898570.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 10621143542101 its reverse (10124534112601), we get a palindrome (20745677654702).

The spelling of 10621143542101 in words is "ten trillion, six hundred twenty-one billion, one hundred forty-three million, five hundred forty-two thousand, one hundred one".