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102221122220069 is a prime number
BaseRepresentation
bin10111001111100000110101…
…101011011011000000100101
3111101221020120202122000112012
4113033200311223123000211
5101344242324242020234
61001223422452204005
730350142462410666
oct2717406553330045
9441836522560465
10102221122220069
112a630809659786
12b56b17b009605
134506544a34848
141b35758b0d36d
15bc40152620ce
hex5cf835adb025

102221122220069 has 2 divisors, whose sum is σ = 102221122220070. Its totient is φ = 102221122220068.

The previous prime is 102221122220039. The next prime is 102221122220101. The reversal of 102221122220069 is 960022221122201.

It is an a-pointer prime, because the next prime (102221122220101) can be obtained adding 102221122220069 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102037514255044 + 183607965025 = 10101362^2 + 428495^2 .

It is a cyclic number.

It is not a de Polignac number, because 102221122220069 - 224 = 102221105442853 is a prime.

It is a super-2 number, since 2×1022211222200692 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102221122220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110561110034 + 51110561110035.

It is an arithmetic number, because the mean of its divisors is an integer number (51110561110035).

Almost surely, 2102221122220069 is an apocalyptic number.

It is an amenable number.

102221122220069 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221122220069 is an equidigital number, since it uses as much as digits as its factorization.

102221122220069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 102221122220069 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, sixty-nine".