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2112202120202 = 27972459353881
BaseRepresentation
bin11110101111001001000…
…011101001110000001010
321110220221222221010100122
4132233021003221300022
5234101242220321302
64254155433503242
7305413223535026
oct36571103516012
97426858833318
102112202120202
11744864039449
122a1438271b22
13124245055985
1474334303386
1539e235b03a2
hex1ebc90e9c0a

2112202120202 has 16 divisors (see below), whose sum is σ = 3172466335752. Its totient is φ = 1054713500160.

The previous prime is 2112202120199. The next prime is 2112202120211. The reversal of 2112202120202 is 2020212022112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1405763551201 + 706438569001 = 1185649^2 + 840499^2 .

It is a super-2 number, since 2×21122021202022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39174302 + ... + 39228182.

Almost surely, 22112202120202 is an apocalyptic number.

2112202120202 is a deficient number, since it is larger than the sum of its proper divisors (1060264215550).

2112202120202 is a wasteful number, since it uses less digits than its factorization.

2112202120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79273.

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

Adding to 2112202120202 its reverse (2020212022112), we get a palindrome (4132414142314).

The spelling of 2112202120202 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 797 1594 24593 49186 53881 107762 19600621 39201242 42943157 85886314 1325095433 2650190866 1056101060101 2112202120202