10000020212021 has 16 divisors (see below), whose sum is σ = 11469808036608. Its totient is φ = 8540538652800.

The previous prime is 10000020211903. The next prime is 10000020212023. The reversal of 10000020212021 is 12021202000001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10000020212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000020211993 and 10000020212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000020212023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45980291 + ... + 46197263.

It is an arithmetic number, because the mean of its divisors is an integer number (716863002288).

Almost surely, 2^{10000020212021} is an apocalyptic number.

It is an amenable number.

10000020212021 is a deficient number, since it is larger than the sum of its proper divisors (1469787824587).

10000020212021 is a wasteful number, since it uses less digits than its factorization.

10000020212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240692.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10000020212021 its reverse (12021202000001), we get a palindrome (22021222212022).

The spelling of 10000020212021 in words is "ten trillion, twenty million, two hundred twelve thousand, twenty-one".