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1220101220047 is a prime number
BaseRepresentation
bin10001110000010011101…
…100110010011011001111
311022122021221200220000211
4101300103230302123033
5124442231403020142
62332301243303251
7154102150153063
oct21602354623317
94278257626024
101220101220047
11430495370246
1217856951ab27
138b093c42558
14430a603baa3
1521b0e79c917
hex11c13b326cf

1220101220047 has 2 divisors, whose sum is σ = 1220101220048. Its totient is φ = 1220101220046.

The previous prime is 1220101220003. The next prime is 1220101220083. The reversal of 1220101220047 is 7400221010221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220101220047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220101229047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050610023 + 610050610024.

It is an arithmetic number, because the mean of its divisors is an integer number (610050610024).

Almost surely, 21220101220047 is an apocalyptic number.

1220101220047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101220047 is an equidigital number, since it uses as much as digits as its factorization.

1220101220047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1220101220047 its reverse (7400221010221), we get a palindrome (8620322230268).

The spelling of 1220101220047 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, forty-seven".