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102121222010222 = 21012297129309671
BaseRepresentation
bin10111001110000011110011…
…001010010111010101101110
3111101120200201112202112122002
4113032003303022113111232
5101341123230313311342
61001105501452052302
730340005036551612
oct2716036312272556
9441520645675562
10102121222010222
112a5a2404591488
12b55393a764092
1344c9cb3ac423c
141b3099d027342
15bc1619b89d32
hex5ce0f329756e

102121222010222 has 32 divisors (see below), whose sum is σ = 155396320516800. Its totient is φ = 50327072928000.

The previous prime is 102121222010191. The next prime is 102121222010237. The reversal of 102121222010222 is 222010222121201.

It is a super-2 number, since 2×1021212220102222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121222010194 and 102121222010203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329618447 + ... + 329928117.

It is an arithmetic number, because the mean of its divisors is an integer number (4856135016150).

Almost surely, 2102121222010222 is an apocalyptic number.

102121222010222 is a deficient number, since it is larger than the sum of its proper divisors (53275098506578).

102121222010222 is a wasteful number, since it uses less digits than its factorization.

102121222010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317132.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102121222010222 its reverse (222010222121201), we get a palindrome (324131444131423).

The spelling of 102121222010222 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, two hundred twenty-two".

Divisors: 1 2 101 202 229 458 7129 14258 23129 46258 309671 619342 720029 1440058 1632541 3265082 31276771 62553542 70914659 141829318 164886641 329773282 2207644559 4415289118 7162380559 14324761118 222972100459 445944200918 505550604011 1011101208022 51060611005111 102121222010222