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121011123022131 = 31719359347862061
BaseRepresentation
bin11011100000111100011001…
…000000000110100100110011
3120212110112212020010112022010
4123200330121000012210303
5111330121234443202011
61105211424212214003
734326523303105146
oct3340743100064463
9525415766115263
10121011123022131
1135615590213281
12116a492430a303
13526a3b8c644c4
1421c4d8084c05d
15decb9c65c1a6
hex6e0f19006933

121011123022131 has 32 divisors (see below), whose sum is σ = 180331692940800. Its totient is φ = 71731939668480.

The previous prime is 121011123022123. The next prime is 121011123022147. The reversal of 121011123022131 is 131220321110121.

It is not a de Polignac number, because 121011123022131 - 23 = 121011123022123 is a prime.

It is a super-2 number, since 2×1210111230221312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121011123022098 and 121011123022107.

It is not an unprimeable number, because it can be changed into a prime (121011123022331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173583160 + ... + 174278901.

It is an arithmetic number, because the mean of its divisors is an integer number (5635365404400).

Almost surely, 2121011123022131 is an apocalyptic number.

121011123022131 is a deficient number, since it is larger than the sum of its proper divisors (59320569918669).

121011123022131 is a wasteful number, since it uses less digits than its factorization.

121011123022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347862459.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121011123022131 its reverse (131220321110121), we get a palindrome (252231444132252).

The spelling of 121011123022131 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-three million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 17 19 51 57 323 359 969 1077 6103 6821 18309 20463 115957 347871 347862061 1043586183 5913655037 6609379159 17740965111 19828137477 112359445703 124882479899 337078337109 374647439697 2123002158283 2372767118081 6369006474849 7118301354243 40337041007377 121011123022131