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121003222231 = 1676781106853
BaseRepresentation
bin111000010110001011…
…0101010010011010111
3102120022220220120200101
41300230112222103113
53440303311102411
6131331010554531
711512400263363
oct1605426522327
9376286816611
10121003222231
1147354189901
121b54b898a47
13b544cb20a8
145bdc6922a3
1532330c18c1
hex1c2c5aa4d7

121003222231 has 8 divisors (see below), whose sum is σ = 121746883104. Its totient is φ = 120259788960.

The previous prime is 121003222229. The next prime is 121003222237. The reversal of 121003222231 is 132222300121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121003222231 - 21 = 121003222229 is a prime.

It is a super-2 number, since 2×1210032222312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121003222199 and 121003222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003222237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079001 + ... + 1185853.

It is an arithmetic number, because the mean of its divisors is an integer number (15218360388).

Almost surely, 2121003222231 is an apocalyptic number.

121003222231 is a deficient number, since it is larger than the sum of its proper divisors (743660873).

121003222231 is a wasteful number, since it uses less digits than its factorization.

121003222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113801.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121003222231 its reverse (132222300121), we get a palindrome (253225522352).

The spelling of 121003222231 in words is "one hundred twenty-one billion, three million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 167 6781 106853 1132427 17844451 724570193 121003222231