101000212102021 has 4 divisors (see below), whose sum is σ = 101005188237612. Its totient is φ = 100995235966432.

The previous prime is 101000212102007. The next prime is 101000212102067. The reversal of 101000212102021 is 120201212000101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74191520902500 + 26808691199521 = 8613450^2 + 5177711^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000212102021 - 2⁴¹ = 98801188846469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000212101992 and 101000212102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000212102721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488037350 + ... + 2488077943.

It is an arithmetic number, because the mean of its divisors is an integer number (25251297059403).

Almost surely, 2^{101000212102021} is an apocalyptic number.

It is an amenable number.

101000212102021 is a deficient number, since it is larger than the sum of its proper divisors (4976135591).

101000212102021 is an equidigital number, since it uses as much as digits as its factorization.

101000212102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976135590.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101000212102021 its reverse (120201212000101), we get a palindrome (221201424102122).

The spelling of 101000212102021 in words is "one hundred one trillion, two hundred twelve million, one hundred two thousand, twenty-one".