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121122212211201 = 3124932325116683
BaseRepresentation
bin11011100010100011110110…
…011011101110101000000001
3120212212011121020001001012010
4123202203312123232220001
5111333431242311224301
61105334435351123133
734340535221454015
oct3342436633565001
9525764536031163
10121122212211201
1135658707164243
12117023679734a9
135277a10cc8386
1421ca4bc558545
15e00a001a25d6
hex6e28f66eea01

121122212211201 has 8 divisors (see below), whose sum is σ = 161625583420000. Its totient is φ = 80683491238272.

The previous prime is 121122212211199. The next prime is 121122212211251. The reversal of 121122212211201 is 102112212221121.

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

It is not a de Polignac number, because 121122212211201 - 21 = 121122212211199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122212211251) 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, 16162554595 + ... + 16162562088.

It is an arithmetic number, because the mean of its divisors is an integer number (20203197927500).

Almost surely, 2121122212211201 is an apocalyptic number.

It is an amenable number.

121122212211201 is a deficient number, since it is larger than the sum of its proper divisors (40503371208799).

121122212211201 is a wasteful number, since it uses less digits than its factorization.

121122212211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32325117935.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 121122212211201 its reverse (102112212221121), we get a palindrome (223234424432322).

The spelling of 121122212211201 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, two hundred one".

Divisors: 1 3 1249 3747 32325116683 96975350049 40374070737067 121122212211201