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121120221010001 = 1315211774629251
BaseRepresentation
bin11011100010100001111111…
…101111111001100001010001
3120212211222110110020112122112
4123202201333233321201101
5111333413203034310001
61105333510020515105
734340434662516503
oct3342417757714121
9525758413215575
10121120221010001
1135657885187314
1211701ab0b4ba95
135277784611c05
1421ca36dd0dd73
15e0093547bcbb
hex6e287fbf9851

121120221010001 has 8 divisors (see below), whose sum is σ = 122279053979808. Its totient is φ = 119964937300000.

The previous prime is 121120221009941. The next prime is 121120221010051. The reversal of 121120221010001 is 100010122021121.

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 121120221010001 - 26 = 121120221009937 is a prime.

It is a super-2 number, since 2×1211202210100012 (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 (121120221010051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887246375 + ... + 887382876.

It is an arithmetic number, because the mean of its divisors is an integer number (15284881747476).

Almost surely, 2121120221010001 is an apocalyptic number.

It is an amenable number.

121120221010001 is a deficient number, since it is larger than the sum of its proper divisors (1158832969807).

121120221010001 is a wasteful number, since it uses less digits than its factorization.

121120221010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774629903.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121120221010001 its reverse (100010122021121), we get a palindrome (221130343031122).

The spelling of 121120221010001 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, ten thousand, one".

Divisors: 1 131 521 68251 1774629251 232476431881 924581839771 121120221010001