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121122202022101 = 7112974592054713
BaseRepresentation
bin11011100010100011110101…
…110100110111000011010101
3120212212011120111212101101001
4123202203311310313003111
5111333431232204201401
61105334434344503301
734340535036036130
oct3342436564670325
9525764514771331
10121122202022101
1135658701434aa5
121170236447ab31
135277a0bb6b717
1421ca4bb065217
15e009ee33d601
hex6e28f5d370d5

121122202022101 has 16 divisors (see below), whose sum is σ = 138566624617600. Its totient is φ = 103713116905728.

The previous prime is 121122202022093. The next prime is 121122202022111. The reversal of 121122202022101 is 101220202221121.

It is a cyclic number.

It is not a de Polignac number, because 121122202022101 - 23 = 121122202022093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122202022111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57921121 + ... + 59975833.

It is an arithmetic number, because the mean of its divisors is an integer number (8660414038600).

Almost surely, 2121122202022101 is an apocalyptic number.

It is an amenable number.

121122202022101 is a deficient number, since it is larger than the sum of its proper divisors (17444422595499).

121122202022101 is a wasteful number, since it uses less digits than its factorization.

121122202022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063308.

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

Adding to 121122202022101 its reverse (101220202221121), we get a palindrome (222342404243222).

The spelling of 121122202022101 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred two million, twenty-two thousand, one hundred one".

Divisors: 1 7 1129 7459 7903 52213 2054713 8421211 14382991 58948477 2319770977 15326104267 16238396839 107282729869 17303171717443 121122202022101