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122201220201121 = 2941102776467789
BaseRepresentation
bin11011110010010000110000…
…010100100011101010100001
3121000200022201010221012200001
4123302100300110203222201
5112004121044332413441
61111522244321100001
734511514104162005
oct3362206024435241
9530608633835601
10122201220201121
1135a3427902a376
12118574b9487601
1353256aaa284b9
1422267dbaac705
15e1db02c83731
hex6f2430523aa1

122201220201121 has 8 divisors (see below), whose sum is σ = 129498349415400. Its totient is φ = 115109643922560.

The previous prime is 122201220201091. The next prime is 122201220201149. The reversal of 122201220201121 is 121102022102221.

It can be written as a sum of positive squares in 4 ways, for example, as 3419318739600 + 118781901461521 = 1849140^2 + 10898711^2 .

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 122201220201121 - 27 = 122201220200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122201220201821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51388232706 + ... + 51388235083.

It is an arithmetic number, because the mean of its divisors is an integer number (16187293676925).

Almost surely, 2122201220201121 is an apocalyptic number.

It is an amenable number.

122201220201121 is a deficient number, since it is larger than the sum of its proper divisors (7297129214279).

122201220201121 is a wasteful number, since it uses less digits than its factorization.

122201220201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102776467859.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122201220201121 its reverse (121102022102221), we get a palindrome (243303242303342).

The spelling of 122201220201121 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 29 41 1189 102776467789 2980517565881 4213835179349 122201220201121