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122010121001 = 1193910219459
BaseRepresentation
bin111000110100001011…
…1101011001100101001
3102122221002120100010102
41301220113223030221
53444334042333001
6132014540155145
711546344626326
oct1615027531451
9378832510112
10122010121001
114782059484a
121b790b38ab5
13b675796392
145c962b7b4d
1532916b6e6b
hex1c685eb329

122010121001 has 4 divisors (see below), whose sum is σ = 122020352400. Its totient is φ = 121999889604.

The previous prime is 122010120977. The next prime is 122010121021. The reversal of 122010121001 is 100121010221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122010121001 - 214 = 122010104617 is a prime.

It is a super-2 number, since 2×1220101210012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122010121021) 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 3 ways as a sum of consecutive naturals, for example, 5097791 + ... + 5121668.

It is an arithmetic number, because the mean of its divisors is an integer number (30505088100).

Almost surely, 2122010121001 is an apocalyptic number.

It is an amenable number.

122010121001 is a deficient number, since it is larger than the sum of its proper divisors (10231399).

122010121001 is a wasteful number, since it uses less digits than its factorization.

122010121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122010121001 its reverse (100121010221), we get a palindrome (222131131222).

The spelling of 122010121001 in words is "one hundred twenty-two billion, ten million, one hundred twenty-one thousand, one".

Divisors: 1 11939 10219459 122010121001