10211131312021 has 8 divisors (see below), whose sum is σ = 10449614067200. Its totient is φ = 9972694674432.

The previous prime is 10211131312001. The next prime is 10211131312069. The reversal of 10211131312021 is 12021313111201.

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 10211131312021 - 2⁹ = 10211131311509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211131312021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211131312001) 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, 11081196 + ... + 11967253.

It is an arithmetic number, because the mean of its divisors is an integer number (1306201758400).

Almost surely, 2^{10211131312021} is an apocalyptic number.

It is an amenable number.

10211131312021 is a deficient number, since it is larger than the sum of its proper divisors (238482755179).

10211131312021 is a wasteful number, since it uses less digits than its factorization.

10211131312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23058795.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10211131312021 its reverse (12021313111201), we get a palindrome (22232444423222).

The spelling of 10211131312021 in words is "ten trillion, two hundred eleven billion, one hundred thirty-one million, three hundred twelve thousand, twenty-one".