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121011102222212 = 2231975895985663
BaseRepresentation
bin11011100000111100010111…
…110000110000011110000100
3120212110112210202222210011202
4123200330113300300132010
5111330121214132102322
61105211422150322032
734326522631235036
oct3340742760603604
9525415722883152
10121011102222212
113561557a4a6a64
12116a4919359318
13526a3b4860c67
1421c4d7bb95c56
15decb9a8ee292
hex6e0f17c30784

121011102222212 has 12 divisors (see below), whose sum is σ = 218600700788736. Its totient is φ = 58553759139720.

The previous prime is 121011102222187. The next prime is 121011102222217. The reversal of 121011102222212 is 212222201110121.

It is a super-2 number, since 2×1210111022222122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121011102222217) 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, 487947992708 + ... + 487947992955.

It is an arithmetic number, because the mean of its divisors is an integer number (18216725065728).

Almost surely, 2121011102222212 is an apocalyptic number.

It is an amenable number.

121011102222212 is a deficient number, since it is larger than the sum of its proper divisors (97589598566524).

121011102222212 is a wasteful number, since it uses less digits than its factorization.

121011102222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975895985698 (or 975895985696 counting only the distinct ones).

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

Adding to 121011102222212 its reverse (212222201110121), we get a palindrome (333233303332333).

The spelling of 121011102222212 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 31 62 124 975895985663 1951791971326 3903583942652 30252775555553 60505551111106 121011102222212