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2220000111121 = 131911907468841
BaseRepresentation
bin100000010011100010010…
…100010110101000010001
321212020012121212110010211
4200103202110112220101
5242333030012023441
64415504242524121
7316250446410652
oct40234224265021
97766177773124
102220000111121
11786551207541
122ba301666641
13131464299910
147963cc85529
153cb321e0a81
hex204e2516a11

2220000111121 has 16 divisors (see below), whose sum is σ = 2404551840768. Its totient is φ = 2037428611200.

The previous prime is 2220000111067. The next prime is 2220000111191. The reversal of 2220000111121 is 1211110000222.

It is a cyclic number.

It is not a de Polignac number, because 2220000111121 - 29 = 2220000110609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220000111191) 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, 4500661 + ... + 4969501.

It is an arithmetic number, because the mean of its divisors is an integer number (150284490048).

Almost surely, 22220000111121 is an apocalyptic number.

It is an amenable number.

2220000111121 is a deficient number, since it is larger than the sum of its proper divisors (184551729647).

2220000111121 is a wasteful number, since it uses less digits than its factorization.

2220000111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470952.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2220000111121 its reverse (1211110000222), we get a palindrome (3431110111343).

The spelling of 2220000111121 in words is "two trillion, two hundred twenty billion, one hundred eleven thousand, one hundred twenty-one".

Divisors: 1 13 191 1907 2483 24791 364237 468841 4735081 6094933 89548631 894079787 1164132203 11623037231 170769239317 2220000111121