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122020101100001 = 139386161623077
BaseRepresentation
bin11011101111101000000100…
…110010000001000111100001
3121000001000012122101120021202
4123233220010302001013201
5111443134131340200001
61111303132142130545
734462442566212266
oct3357500462010741
9530030178346252
10122020101100001
1135974486016a35
1211828390b80a55
1353115a52a6050
14221bb3940126d
15e190521be96b
hex6efa04c811e1

122020101100001 has 4 divisors (see below), whose sum is σ = 131406262723092. Its totient is φ = 112633939476912.

The previous prime is 122020101099983. The next prime is 122020101100021. The reversal of 122020101100001 is 100001101020221.

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 44274704597776 + 77745396502225 = 6653924^2 + 8817335^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020101100001 - 210 = 122020101098977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020101100021) 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, 4693080811526 + ... + 4693080811551.

It is an arithmetic number, because the mean of its divisors is an integer number (32851565680773).

Almost surely, 2122020101100001 is an apocalyptic number.

It is an amenable number.

122020101100001 is a deficient number, since it is larger than the sum of its proper divisors (9386161623091).

122020101100001 is an equidigital number, since it uses as much as digits as its factorization.

122020101100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386161623090.

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

Adding to 122020101100001 its reverse (100001101020221), we get a palindrome (222021202120222).

The spelling of 122020101100001 in words is "one hundred twenty-two trillion, twenty billion, one hundred one million, one hundred thousand, one".

Divisors: 1 13 9386161623077 122020101100001