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1220102122069 is a prime number
BaseRepresentation
bin10001110000010011110…
…000001110101001010101
311022122022000101201101001
4101300103300032221111
5124442232120401234
62332301314503301
7154102160630635
oct21602360165125
94278260351331
101220102122069
11430495926a16
12178569894b31
138b094199cac
14430a61d46c5
1521b0e8c9d14
hex11c13c0ea55

1220102122069 has 2 divisors, whose sum is σ = 1220102122070. Its totient is φ = 1220102122068.

The previous prime is 1220102122007. The next prime is 1220102122079. The reversal of 1220102122069 is 9602212010221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215704708100 + 4397413969 = 1102590^2 + 66313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220102122069 - 225 = 1220068567637 is a prime.

It is a super-2 number, since 2×12201021220692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220102122079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051061034 + 610051061035.

It is an arithmetic number, because the mean of its divisors is an integer number (610051061035).

Almost surely, 21220102122069 is an apocalyptic number.

It is an amenable number.

1220102122069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220102122069 is an equidigital number, since it uses as much as digits as its factorization.

1220102122069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1220102122069 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred twenty-two thousand, sixty-nine".