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122113002001 = 149819550349
BaseRepresentation
bin111000110111010000…
…0001000101000010001
3102200012021011020022211
41301232200020220101
54000041412031001
6132033053232121
711552034251044
oct1615640105021
9380167136284
10122113002001
1147873673871
121b7bb492641
13b690ba8303
145ca5c18c5b
15329a73a351
hex1c6e808a11

122113002001 has 4 divisors (see below), whose sum is σ = 122932552500. Its totient is φ = 121293451504.

The previous prime is 122113001987. The next prime is 122113002061. The reversal of 122113002001 is 100200311221.

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 36381747600 + 85731254401 = 190740^2 + 292799^2 .

It is a cyclic number.

It is not a de Polignac number, because 122113002001 - 213 = 122112993809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122113002061) 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, 409775026 + ... + 409775323.

It is an arithmetic number, because the mean of its divisors is an integer number (30733138125).

Almost surely, 2122113002001 is an apocalyptic number.

It is an amenable number.

122113002001 is a deficient number, since it is larger than the sum of its proper divisors (819550499).

122113002001 is an equidigital number, since it uses as much as digits as its factorization.

122113002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819550498.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122113002001 its reverse (100200311221), we get a palindrome (222313313222).

The spelling of 122113002001 in words is "one hundred twenty-two billion, one hundred thirteen million, two thousand, one".

Divisors: 1 149 819550349 122113002001