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102200202021 = 3103913327839
BaseRepresentation
bin101111100101110011…
…0110101001100100101
3100202210111201012000110
41133023212311030211
53133301222431041
6114541121003233
710245421245441
oct1371346651445
9322714635013
10102200202021
113a385393485
1217982783519
1398395b2028
144d37351821
1529d2496516
hex17cb9b5325

102200202021 has 8 divisors (see below), whose sum is σ = 136268663040. Its totient is φ = 68132604512.

The previous prime is 102200202011. The next prime is 102200202023. The reversal of 102200202021 is 120202002201.

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 102200202021 - 27 = 102200201893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102200201988 and 102200202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200202023) 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, 147820 + ... + 475658.

It is an arithmetic number, because the mean of its divisors is an integer number (17033582880).

Almost surely, 2102200202021 is an apocalyptic number.

It is an amenable number.

102200202021 is a deficient number, since it is larger than the sum of its proper divisors (34068461019).

102200202021 is a wasteful number, since it uses less digits than its factorization.

102200202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431755.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102200202021 its reverse (120202002201), we get a palindrome (222402204222).

The spelling of 102200202021 in words is "one hundred two billion, two hundred million, two hundred two thousand, twenty-one".

Divisors: 1 3 103913 311739 327839 983517 34066734007 102200202021