356102021 has 4 divisors (see below), whose sum is σ = 388474944. Its totient is φ = 323729100.

The previous prime is 356102017. The next prime is 356102029. The reversal of 356102021 is 120201653.

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 356102021 - 2² = 356102017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356101984 and 356102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356102029) 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, 16186445 + ... + 16186466.

It is an arithmetic number, because the mean of its divisors is an integer number (97118736).

Almost surely, 2^356102021 is an apocalyptic number.

It is an amenable number.

356102021 is a deficient number, since it is larger than the sum of its proper divisors (32372923).

356102021 is a wasteful number, since it uses less digits than its factorization.

356102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32372922.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 356102021 is about 18870.6656215408. The cubic root of 356102021 is about 708.8018017084.

Adding to 356102021 its reverse (120201653), we get a palindrome (476303674).

The spelling of 356102021 in words is "three hundred fifty-six million, one hundred two thousand, twenty-one".