10212021021201 has 4 divisors (see below), whose sum is σ = 13616028028272. Its totient is φ = 6808014014132.

The previous prime is 10212021021179. The next prime is 10212021021211. The reversal of 10212021021201 is 10212012021201.

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 10212021021201 - 2¹⁹ = 10212020496913 is a prime.

It is a super-2 number, since 2×10212021021201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10212021021211) 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, 1702003503531 + ... + 1702003503536.

It is an arithmetic number, because the mean of its divisors is an integer number (3404007007068).

Almost surely, 2^{10212021021201} is an apocalyptic number.

It is an amenable number.

10212021021201 is a deficient number, since it is larger than the sum of its proper divisors (3404007007071).

10212021021201 is an equidigital number, since it uses as much as digits as its factorization.

10212021021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404007007070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212021021201 its reverse (10212012021201), we get a palindrome (20424033042402).

Subtracting from 10212021021201 its reverse (10212012021201), we obtain a square (9000000 = 3000²).

The spelling of 10212021021201 in words is "ten trillion, two hundred twelve billion, twenty-one million, twenty-one thousand, two hundred one".