10356211021 has 8 divisors (see below), whose sum is σ = 11155599000. Its totient is φ = 9557216832.

The previous prime is 10356211009. The next prime is 10356211027. The reversal of 10356211021 is 12011265301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1214174025 + 9142036996 = 34845^2 + 95614^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10356211021 is a prime.

It is a super-3 number, since 3×10356211021³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10356210983 and 10356211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10356211027) 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, 42646 + ... + 150103.

It is an arithmetic number, because the mean of its divisors is an integer number (1394449875).

Almost surely, 2^10356211021 is an apocalyptic number.

It is an amenable number.

10356211021 is a deficient number, since it is larger than the sum of its proper divisors (799387979).

10356211021 is a wasteful number, since it uses less digits than its factorization.

10356211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196895.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10356211021 its reverse (12011265301), we get a palindrome (22367476322).

The spelling of 10356211021 in words is "ten billion, three hundred fifty-six million, two hundred eleven thousand, twenty-one".