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122111084437 is a prime number
BaseRepresentation
bin111000110111001100…
…0110100011110010101
3102200012010112210220221
41301232120310132111
54000040414200222
6132032544154341
711552012043346
oct1615630643625
9380163483827
10122111084437
1147872584101
121b7ba9089b1
13b690686564
145ca587a0cd
15329a4ac0c7
hex1c6e634795

122111084437 has 2 divisors, whose sum is σ = 122111084438. Its totient is φ = 122111084436.

The previous prime is 122111084383. The next prime is 122111084443. The reversal of 122111084437 is 734480111221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115133990596 + 6977093841 = 339314^2 + 83529^2 .

It is a cyclic number.

It is not a de Polignac number, because 122111084437 - 215 = 122111051669 is a prime.

It is a super-2 number, since 2×1221110844372 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122111084467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055542218 + 61055542219.

It is an arithmetic number, because the mean of its divisors is an integer number (61055542219).

Almost surely, 2122111084437 is an apocalyptic number.

It is an amenable number.

122111084437 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111084437 is an equidigital number, since it uses as much as digits as its factorization.

122111084437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

Adding to 122111084437 its reverse (734480111221), we get a palindrome (856591195658).

The spelling of 122111084437 in words is "one hundred twenty-two billion, one hundred eleven million, eighty-four thousand, four hundred thirty-seven".