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121120110222331 = 11231114434295789
BaseRepresentation
bin11011100010100001111001…
…001001010001101111111011
3120212211222011201202221112111
4123202201321021101233323
5111333412441204103311
61105333451022153151
734340432146034413
oct3342417111215773
9525758151687474
10121120110222331
1135657828697960
1211701a7ba227b7
13527776769218c
1421ca35d311643
15e0092a895d21
hex6e2879251bfb

121120110222331 has 16 divisors (see below), whose sum is σ = 137877125978880. Its totient is φ = 105320865385120.

The previous prime is 121120110222277. The next prime is 121120110222373. The reversal of 121120110222331 is 133222011021121.

It is a happy number.

It is not a de Polignac number, because 121120110222331 - 217 = 121120110091259 is a prime.

It is a super-2 number, since 2×1211201102223312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120110222131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26047185 + ... + 30342973.

It is an arithmetic number, because the mean of its divisors is an integer number (8617320373680).

Almost surely, 2121120110222331 is an apocalyptic number.

121120110222331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121120110222331 is a deficient number, since it is larger than the sum of its proper divisors (16757015756549).

121120110222331 is a wasteful number, since it uses less digits than its factorization.

121120110222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407266.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121120110222331 its reverse (133222011021121), we get a palindrome (254342121243452).

The spelling of 121120110222331 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 11 23 253 111443 1225873 2563189 4295789 28195079 47253679 98803147 1086834617 478735613527 5266091748797 11010919111121 121120110222331