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1220101020167 is a prime number
BaseRepresentation
bin10001110000010011101…
…100000001101000000111
311022122021221022201211212
4101300103230001220013
5124442231330121132
62332301235122035
7154102145361251
oct21602354015007
94278257281755
101220101020167
11430495244057
1217856944331b
138b093ba2593
14430a5dc8cd1
1521b0e75d5b2
hex11c13b01a07

1220101020167 has 2 divisors, whose sum is σ = 1220101020168. Its totient is φ = 1220101020166.

The previous prime is 1220101020163. The next prime is 1220101020227. The reversal of 1220101020167 is 7610201010221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7610201010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220101020167 - 22 = 1220101020163 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220101020163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050510083 + 610050510084.

It is an arithmetic number, because the mean of its divisors is an integer number (610050510084).

Almost surely, 21220101020167 is an apocalyptic number.

1220101020167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101020167 is an equidigital number, since it uses as much as digits as its factorization.

1220101020167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1220101020167 its reverse (7610201010221), we get a palindrome (8830302030388).

The spelling of 1220101020167 in words is "one trillion, two hundred twenty billion, one hundred one million, twenty thousand, one hundred sixty-seven".