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2201220121202 = 279397112331249
BaseRepresentation
bin100000000010000010111…
…100011000001001110010
321210102201211000010002122
4200002002330120021302
5242031044322334302
64403120534314242
7315014200212524
oct40020274301162
97712654003078
102201220121202
11779594411113
122b67401b8982
1312c7605a134b
147877aa1ba14
153c3d36143a2
hex20082f18272

2201220121202 has 32 divisors (see below), whose sum is σ = 3355140000000. Its totient is φ = 1082941187328.

The previous prime is 2201220121171. The next prime is 2201220121207. The reversal of 2201220121202 is 2021210221022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2201220121207) 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, 70425674 + ... + 70456922.

It is an arithmetic number, because the mean of its divisors is an integer number (104848125000).

Almost surely, 22201220121202 is an apocalyptic number.

2201220121202 is a deficient number, since it is larger than the sum of its proper divisors (1153919878798).

2201220121202 is a wasteful number, since it uses less digits than its factorization.

2201220121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2201220121202 its reverse (2021210221022), we get a palindrome (4222430342224).

The spelling of 2201220121202 in words is "two trillion, two hundred one billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 79 158 397 794 1123 2246 31249 31363 62498 62726 88717 177434 445831 891662 2468671 4937342 12405853 24811706 35092627 35220649 70185254 70441298 980062387 1960124774 2772317533 5544635066 13931772919 27863545838 1100610060601 2201220121202