10000212111021 has 8 divisors (see below), whose sum is σ = 14545763070624. Its totient is φ = 6060734612720.

The previous prime is 10000212111017. The next prime is 10000212111023. The reversal of 10000212111021 is 12011121200001.

10000212111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10000212111021 - 2² = 10000212111017 is a prime.

It is a super-2 number, since 2×10000212111021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10000212110988 and 10000212111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000212111023) 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, 151518365286 + ... + 151518365351.

It is an arithmetic number, because the mean of its divisors is an integer number (1818220383828).

Almost surely, 2^{10000212111021} is an apocalyptic number.

10000212111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000212111021 is a deficient number, since it is larger than the sum of its proper divisors (4545550959603).

10000212111021 is a wasteful number, since it uses less digits than its factorization.

10000212111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303036730651.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10000212111021 its reverse (12011121200001), we get a palindrome (22011333311022).

The spelling of 10000212111021 in words is "ten trillion, two hundred twelve million, one hundred eleven thousand, twenty-one".