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122121022101011 = 257541878334703
BaseRepresentation
bin11011110001000110000100…
…001001000101011000010011
3121000101122201000001121101222
4123301012010021011120103
5112001312323124213021
61111421342325315255
734502644525445033
oct3361060411053023
9530348630047358
10122121022101011
1135a0326431879a
1211843a57265b2b
13531ac698530ab
1422229908c78c3
15e1b9ac1d36ab
hex6f1184245613

122121022101011 has 8 divisors (see below), whose sum is σ = 122822811668544. Its totient is φ = 121420989204480.

The previous prime is 122121022100881. The next prime is 122121022101053. The reversal of 122121022101011 is 110101220121221.

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 122121022101011 - 234 = 122103842231827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121022121011) 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, 439028315 + ... + 439306388.

It is an arithmetic number, because the mean of its divisors is an integer number (15352851458568).

Almost surely, 2122121022101011 is an apocalyptic number.

122121022101011 is a deficient number, since it is larger than the sum of its proper divisors (701789567533).

122121022101011 is an equidigital number, since it uses as much as digits as its factorization.

122121022101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878335501.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122121022101011 its reverse (110101220121221), we get a palindrome (232222242222232).

The spelling of 122121022101011 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-two million, one hundred one thousand, eleven".

Divisors: 1 257 541 139037 878334703 225732018671 475179074323 122121022101011