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2120222212301 = 2973111110769
BaseRepresentation
bin11110110110100111000…
…101111000000011001101
321111200122221011000102202
4132312213011320003031
5234214203341243201
64302003332131245
7306116040306524
oct36664705700315
97450587130382
102120222212301
117481aa18a336
122a2ab6166b25
13124c227b20bb
147489551b4bb
153a242728c6b
hex1eda71780cd

2120222212301 has 4 divisors (see below), whose sum is σ = 2193333323100. Its totient is φ = 2047111101504.

The previous prime is 2120222212259. The next prime is 2120222212357. The reversal of 2120222212301 is 1032122220212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346067475625 + 1774154736676 = 588275^2 + 1331974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2120222212301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120222212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36555555356 + ... + 36555555413.

It is an arithmetic number, because the mean of its divisors is an integer number (548333330775).

Almost surely, 22120222212301 is an apocalyptic number.

It is an amenable number.

2120222212301 is a deficient number, since it is larger than the sum of its proper divisors (73111110799).

2120222212301 is an equidigital number, since it uses as much as digits as its factorization.

2120222212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73111110798.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2120222212301 its reverse (1032122220212), we get a palindrome (3152344432513).

The spelling of 2120222212301 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, three hundred one".

Divisors: 1 29 73111110769 2120222212301