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1220102000111 = 5627392168149
BaseRepresentation
bin10001110000010011101…
…111110000110111101111
311022122022000011112002002
4101300103233300313233
5124442232103000421
62332301312122515
7154102156612241
oct21602357606757
94278260145062
101220102000111
11430495853325
1217856983643b
138b094156627
14430a61a2091
1521b0e8a3b0b
hex11c13bf0def

1220102000111 has 4 divisors (see below), whose sum is σ = 1220104731000. Its totient is φ = 1220099269224.

The previous prime is 1220102000107. The next prime is 1220102000137. The reversal of 1220102000111 is 1110002010221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220102000111 - 22 = 1220102000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102000092 and 1220102000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102000171) 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, 521336 + ... + 1646813.

It is an arithmetic number, because the mean of its divisors is an integer number (305026182750).

Almost surely, 21220102000111 is an apocalyptic number.

1220102000111 is a deficient number, since it is larger than the sum of its proper divisors (2730889).

1220102000111 is an equidigital number, since it uses as much as digits as its factorization.

1220102000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730888.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220102000111 its reverse (1110002010221), we get a palindrome (2330104010332).

The spelling of 1220102000111 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred eleven", and thus it is an aban number.

Divisors: 1 562739 2168149 1220102000111