10001000212021 has 8 divisors (see below), whose sum is σ = 12308923337984. Its totient is φ = 7912879288560.

The previous prime is 10001000212019. The next prime is 10001000212043. The reversal of 10001000212021 is 12021200010001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001000212021 - 2¹ = 10001000212019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001000211989 and 10001000212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001000212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54950550525 + ... + 54950550706.

It is an arithmetic number, because the mean of its divisors is an integer number (1538615417248).

Almost surely, 2^{10001000212021} is an apocalyptic number.

It is an amenable number.

10001000212021 is a deficient number, since it is larger than the sum of its proper divisors (2307923125963).

10001000212021 is a wasteful number, since it uses less digits than its factorization.

10001000212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109901101251.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001000212021 its reverse (12021200010001), we get a palindrome (22022200222022).

The spelling of 10001000212021 in words is "ten trillion, one billion, two hundred twelve thousand, twenty-one".