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2202221211121 = 64322371531031
BaseRepresentation
bin100000000010111110100…
…111001110110111110001
321210112022120201202022001
4200002332213032313301
5242040122112223441
64403404135214001
7315051044303161
oct40027647166761
97715276652261
102202221211121
11779a58509858
122b697b517301
1312c88cb00649
14788339705a1
153c44145d731
hex200be9cedf1

2202221211121 has 8 divisors (see below), whose sum is σ = 2206633552704. Its totient is φ = 2197811937360.

The previous prime is 2202221211083. The next prime is 2202221211131. The reversal of 2202221211121 is 1211121222022.

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 2202221211121 - 219 = 2202220686833 is a prime.

It is a super-2 number, since 2×22022212111212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202221211131) 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, 672876 + ... + 2203906.

It is an arithmetic number, because the mean of its divisors is an integer number (275829194088).

Almost surely, 22202221211121 is an apocalyptic number.

It is an amenable number.

2202221211121 is a deficient number, since it is larger than the sum of its proper divisors (4412341583).

2202221211121 is a wasteful number, since it uses less digits than its factorization.

2202221211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533911.

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

Adding to 2202221211121 its reverse (1211121222022), we get a palindrome (3413342433143).

The spelling of 2202221211121 in words is "two trillion, two hundred two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 643 2237 1438391 1531031 984452933 3424916347 2202221211121