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2220102222101 = 3975592197033
BaseRepresentation
bin100000010011101000011…
…001111000000100010101
321212020110202000020001222
4200103220121320010111
5242333232132101401
64415522331300125
7316253126344421
oct40235031700425
97766422006058
102220102222101
117865a390aa85
122ba32b8aa645
1313147c49c20a
147964c665b81
153cb3b160c1b
hex204e8678115

2220102222101 has 4 divisors (see below), whose sum is σ = 2225694419532. Its totient is φ = 2214510024672.

The previous prime is 2220102222097. The next prime is 2220102222109. The reversal of 2220102222101 is 1012222010222.

It is a happy number.

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 1396048587025 + 824053635076 = 1181545^2 + 907774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220102222101 - 22 = 2220102222097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220102222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102222109) 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, 2796098120 + ... + 2796098913.

It is an arithmetic number, because the mean of its divisors is an integer number (556423604883).

Almost surely, 22220102222101 is an apocalyptic number.

It is an amenable number.

2220102222101 is a deficient number, since it is larger than the sum of its proper divisors (5592197431).

2220102222101 is an equidigital number, since it uses as much as digits as its factorization.

2220102222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592197430.

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

Adding to 2220102222101 its reverse (1012222010222), we get a palindrome (3232324232323).

The spelling of 2220102222101 in words is "two trillion, two hundred twenty billion, one hundred two million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 397 5592197033 2220102222101