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122011332101 is a prime number
BaseRepresentation
bin111000110100001110…
…0010010111000000101
3102122221011211212102222
41301220130102320011
53444334400111401
6132015022142125
711546361132251
oct1615034227005
9378834755388
10122011332101
114782124175a
121b791421945
13b675acb6c9
145c96511261
153291855c1b
hex1c68712e05

122011332101 has 2 divisors, whose sum is σ = 122011332102. Its totient is φ = 122011332100.

The previous prime is 122011332073. The next prime is 122011332137. The reversal of 122011332101 is 101233110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115753731076 + 6257601025 = 340226^2 + 79105^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011332101 - 234 = 104831462917 is a prime.

It is a super-2 number, since 2×1220113321012 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122011332101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011332161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005666050 + 61005666051.

It is an arithmetic number, because the mean of its divisors is an integer number (61005666051).

Almost surely, 2122011332101 is an apocalyptic number.

It is an amenable number.

122011332101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011332101 is an equidigital number, since it uses as much as digits as its factorization.

122011332101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122011332101 its reverse (101233110221), we get a palindrome (223244442322).

The spelling of 122011332101 in words is "one hundred twenty-two billion, eleven million, three hundred thirty-two thousand, one hundred one".