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101212210211222 = 2117169193772141
BaseRepresentation
bin10111000000110101001101…
…110101100010100110010110
3111021100210101221200122012102
4113000311031311202212112
5101231230101303224342
6555132125242322102
730214224631005605
oct2700651565424626
9437323357618172
10101212210211222
112a281948081720
12b4277304b9332
1344623692b64b6
141adc9a8c37a3c
15ba7b66400832
hex5c0d4dd62996

101212210211222 has 32 divisors (see below), whose sum is σ = 168195715308288. Its totient is φ = 45291943620000.

The previous prime is 101212210211209. The next prime is 101212210211267. The reversal of 101212210211222 is 222112012212101.

It is a super-2 number, since 2×1012122102112222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101212210211194 and 101212210211203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45806729 + ... + 47965412.

It is an arithmetic number, because the mean of its divisors is an integer number (5256116103384).

Almost surely, 2101212210211222 is an apocalyptic number.

101212210211222 is a deficient number, since it is larger than the sum of its proper divisors (66983505097066).

101212210211222 is a wasteful number, since it uses less digits than its factorization.

101212210211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93772916.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101212210211222 its reverse (222112012212101), we get a palindrome (323324222423323).

The spelling of 101212210211222 in words is "one hundred one trillion, two hundred twelve billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 11 22 71 142 691 781 1382 1562 7601 15202 49061 98122 539671 1079342 93772141 187544282 1031493551 2062987102 6657822011 13315644022 64796549431 73236042121 129593098862 146472084242 712762043741 1425524087482 4600555009601 9201110019202 50606105105611 101212210211222