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2220112032121 = 711063276710631
BaseRepresentation
bin100000010011101000111…
…111010011000101111001
321212020111102110121220001
4200103220333103011321
5242333242140011441
64415523321433001
7316253305623154
oct40235077230571
97766442417801
102220112032121
117865a9400435
122ba33303b761
13131481525469
147964da9ac9b
153cb3be4c731
hex204e8fd3179

2220112032121 has 16 divisors (see below), whose sum is σ = 2254525636608. Its totient is φ = 2185787797200.

The previous prime is 2220112032113. The next prime is 2220112032137. The reversal of 2220112032121 is 1212302110222.

2220112032121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220112032121 - 23 = 2220112032113 is a prime.

It is a super-2 number, since 2×22201120321212 (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 (2220112032521) 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, 208828476 + ... + 208839106.

It is an arithmetic number, because the mean of its divisors is an integer number (140907852288).

Almost surely, 22220112032121 is an apocalyptic number.

It is an amenable number.

2220112032121 is a deficient number, since it is larger than the sum of its proper divisors (34413604487).

2220112032121 is a wasteful number, since it uses less digits than its factorization.

2220112032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14532.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220112032121 its reverse (1212302110222), we get a palindrome (3432414142343).

The spelling of 2220112032121 in words is "two trillion, two hundred twenty billion, one hundred twelve million, thirty-two thousand, one hundred twenty-one".

Divisors: 1 71 1063 2767 10631 75473 196457 754801 2941321 11300753 29415977 208833791 802353463 2088534367 31269183551 2220112032121