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122102100101101 = 368435333140717
BaseRepresentation
bin11011110000110100011100…
…010011011000011111101101
3121000022211212021222102021111
4123300310130103120133231
5112001010100111213401
61111404532545232021
734501404603215401
oct3360643423303755
9530284767872244
10122102100101101
11359a623434813a
1211840256332611
1353192425c5643
142221ab7855101
15e1b250e04e51
hex6f0d1c4d87ed

122102100101101 has 4 divisors (see below), whose sum is σ = 122102136926172. Its totient is φ = 122102063276032.

The previous prime is 122102100101021. The next prime is 122102100101131. The reversal of 122102100101101 is 101101001201221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76759519085001 + 45342581016100 = 8761251^2 + 6733690^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102100101101 - 211 = 122102100099053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102100101131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12886006 + ... + 20254711.

It is an arithmetic number, because the mean of its divisors is an integer number (30525534231543).

Almost surely, 2122102100101101 is an apocalyptic number.

It is an amenable number.

122102100101101 is a deficient number, since it is larger than the sum of its proper divisors (36825071).

122102100101101 is an equidigital number, since it uses as much as digits as its factorization.

122102100101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36825070.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122102100101101 its reverse (101101001201221), we get a palindrome (223203101302322).

The spelling of 122102100101101 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred million, one hundred one thousand, one hundred one".

Divisors: 1 3684353 33140717 122102100101101