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1220303102101 = 5006992437199
BaseRepresentation
bin10001110000011111101…
…110111010000010010101
311022122211000120120010221
4101300133232322002111
5124443140043231401
62332333254314341
7154110151136356
oct21603756720225
94278730516127
101220303102101
11430589319216
121786050589b1
138b0c6a083a5
14430c4b8dd2d
1521b223797a1
hex11c1fbba095

1220303102101 has 4 divisors (see below), whose sum is σ = 1220306040000. Its totient is φ = 1220300164204.

The previous prime is 1220303102059. The next prime is 1220303102119. The reversal of 1220303102101 is 1012013030221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1220303102101 - 213 = 1220303093909 is a prime.

It is a super-2 number, since 2×12203031021012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220303102141) 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, 717901 + ... + 1719298.

It is an arithmetic number, because the mean of its divisors is an integer number (305076510000).

Almost surely, 21220303102101 is an apocalyptic number.

It is an amenable number.

1220303102101 is a deficient number, since it is larger than the sum of its proper divisors (2937899).

1220303102101 is an equidigital number, since it uses as much as digits as its factorization.

1220303102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937898.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220303102101 its reverse (1012013030221), we get a palindrome (2232316132322).

The spelling of 1220303102101 in words is "one trillion, two hundred twenty billion, three hundred three million, one hundred two thousand, one hundred one".

Divisors: 1 500699 2437199 1220303102101