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102201212012101 = 1731789330217133
BaseRepresentation
bin10111001111001110010010…
…111100000000011001000101
3111101212100012012001122210021
4113033032102330000121011
5101343431040233341401
61001210331051255141
730345536210422306
oct2717162274003105
9441770165048707
10102201212012101
112a623321889854
12b56734314a4b1
1345046c0b382b7
141b347ca71c7ad
15bc374c3312a1
hex5cf392f00645

102201212012101 has 8 divisors (see below), whose sum is σ = 102849428555640. Its totient is φ = 101553655906752.

The previous prime is 102201212012083. The next prime is 102201212012117. The reversal of 102201212012101 is 101210212102201.

It can be written as a sum of positive squares in 4 ways, for example, as 63378953988100 + 38822258024001 = 7961090^2 + 6230751^2 .

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 102201212012101 - 231 = 102199064528453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201212042101) 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, 164799070 + ... + 165418063.

It is an arithmetic number, because the mean of its divisors is an integer number (12856178569455).

Almost surely, 2102201212012101 is an apocalyptic number.

It is an amenable number.

102201212012101 is a deficient number, since it is larger than the sum of its proper divisors (648216543539).

102201212012101 is a wasteful number, since it uses less digits than its factorization.

102201212012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330219095.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102201212012101 its reverse (101210212102201), we get a palindrome (203411424114302).

The spelling of 102201212012101 in words is "one hundred two trillion, two hundred one billion, two hundred twelve million, twelve thousand, one hundred one".

Divisors: 1 173 1789 309497 330217133 57127564009 590758450937 102201212012101